diff --git a/src/main/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserList.java b/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserList.java
similarity index 69%
rename from src/main/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserList.java
rename to src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserList.java
index f0e1b13d4cedc1fdcb25034126ba44befd8deb68..4c6b1a30c6d1aa9ced1a6199796c8c279fe63a90 100644
--- a/src/main/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserList.java
+++ b/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserList.java
@@ -1,6 +1,5 @@
 package de.ozgcloud.operator.elstertransfer.user;
 
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -10,15 +9,15 @@ import lombok.NoArgsConstructor;
 
 @NoArgsConstructor
 @Builder
-public class ConfigMapUserList {
+public class OzgCloudElsterTransferConfigMapUserList {
 
 	private List<Map<String, Object>> usersList;
 
-	public ConfigMapUserList(List<Map<String, Object>> usersList) {
-        this.usersList = usersList;
+	public OzgCloudElsterTransferConfigMapUserList(List<Map<String, Object>> usersList) {
+		this.usersList = new ArrayList<>(usersList);
 	}
 
-	boolean existsUser(String login){
+	boolean existsUser(String login) {
 		for (Map<String, Object> existingUser : usersList) {
 			if (login.equals(existingUser.get("login"))) {
 				return true;
@@ -27,7 +26,6 @@ public class ConfigMapUserList {
 		return false;
 	}
 
-
 	void addUserToList(String login, String passwordHash, String role) {
 		Map<String, Object> formattedUser = Map.of(
 				"login", login,
@@ -37,11 +35,12 @@ public class ConfigMapUserList {
 		usersList.add(formattedUser);
 	}
 
-	void removeDeleted(String userLogin){
+	void removeDeleted(String userLogin) {
 		usersList.removeIf(userMap -> userLogin.equals(userMap.get("login")));
 	}
 
-	//TODO Prüfen, ob diese Methode tatsächlich gebraucht wird! Sonst überall mit der Klasse arbeiten.
+	// TODO Prüfen, ob diese Methode tatsächlich gebraucht wird! Sonst überall mit
+	// der Klasse arbeiten.
 	public List<Map<String, Object>> getUsersList() {
 		return usersList;
 	}
diff --git a/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserService.java b/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserService.java
index efeb0f6812edd33f00c9e383dfee2c6f76df5ac1..23c4ea08ad9fd1f64c3277b4e96caf6b6663e0c3 100644
--- a/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserService.java
+++ b/src/main/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserService.java
@@ -69,11 +69,11 @@ public class OzgCloudElsterTransferUserService {
 
 	String addUserToUserYaml(String namespace, ConfigMap configMap, String userPassword) {
 		String usersYaml = "";
-		ConfigMapUserList users;
+		OzgCloudElsterTransferConfigMapUserList users;
 		if (configMap != null) {
 			users = getUsersFromConfigMap(configMap);
 		} else {
-			users = new ConfigMapUserList(new ArrayList<>());
+			users = new OzgCloudElsterTransferConfigMapUserList(new ArrayList<>());
 		}
 
 		// use namespace as user "login" and "group"
@@ -102,7 +102,7 @@ public class OzgCloudElsterTransferUserService {
 
 	boolean userExists(String userLogin, String configMapNamespace, String configMapName) {
 		ConfigMap configMap = remoteService.getConfigMap(configMapNamespace, configMapName);
-		ConfigMapUserList users = getUsersFromConfigMap(configMap);
+		OzgCloudElsterTransferConfigMapUserList users = getUsersFromConfigMap(configMap);
 		boolean userExists = users.existsUser(userLogin);
 		LOG.info("User with login '{}' exists in ConfigMap '{}'", userLogin, configMapName);
 		return userExists;
@@ -111,7 +111,7 @@ public class OzgCloudElsterTransferUserService {
 	void deleteUser(String userLogin, String configMapName) {
 		ConfigMap configMap = remoteService.getConfigMap(ETR_NAMESPACE, configMapName);
 
-		ConfigMapUserList usersList = getUsersFromConfigMap(configMap);
+		OzgCloudElsterTransferConfigMapUserList usersList = getUsersFromConfigMap(configMap);
 		usersList.removeDeleted(userLogin);
 		String updatedUsersYaml = constructYamlEntries(usersList);
 
@@ -124,22 +124,22 @@ public class OzgCloudElsterTransferUserService {
 		LOG.info("Secret for user in namespace '{}' created successfully", namespace);
 	}
 
-	ConfigMapUserList getUsersFromConfigMap(ConfigMap configMap) {
+	OzgCloudElsterTransferConfigMapUserList getUsersFromConfigMap(ConfigMap configMap) {
 		String usersYaml = configMap.getData().get(USERS_KEY);
 		Map<String, Object> load = new Yaml().load(usersYaml);
 		List<Map<String, Object>> usersList = (List<Map<String, Object>>) load.get("users");
-		return new ConfigMapUserList(usersList);
+		return new OzgCloudElsterTransferConfigMapUserList(usersList);
 	}
 
-	boolean userExistsInList(ConfigMapUserList usersList, String login) {
+	boolean userExistsInList(OzgCloudElsterTransferConfigMapUserList usersList, String login) {
 		return usersList.existsUser(login);
 	}
 
-	void addNewUserToList(ConfigMapUserList usersList, String login, String passwordHash) {
+	void addNewUserToList(OzgCloudElsterTransferConfigMapUserList usersList, String login, String passwordHash) {
 		usersList.addUserToList(login, passwordHash, USER_ROLE);
 	}
 
-	String constructYamlEntries(ConfigMapUserList userList) {
+	String constructYamlEntries(OzgCloudElsterTransferConfigMapUserList userList) {
 		List<Map<String, Object>> usersList = userList.getUsersList();
 		StringBuilder usersYaml = new StringBuilder();
 		usersYaml.append("fileFormat: 1\nusers:\n");
diff --git a/src/test/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserListTest.java b/src/test/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserListTest.java
deleted file mode 100644
index cf9526e62cc0def263ca4e5a07a35c64a03acff6..0000000000000000000000000000000000000000
--- a/src/test/java/de/ozgcloud/operator/elstertransfer/user/ConfigMapUserListTest.java
+++ /dev/null
@@ -1,95 +0,0 @@
-package de.ozgcloud.operator.elstertransfer.user;
-
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Nested;
-import org.junit.jupiter.api.Test;
-
-import java.util.*;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-class ConfigMapUserListTest {
-
-    private ConfigMapUserList configMapUserList;
-    private List<Map<String, Object>> users;
-
-    @BeforeEach
-    void setUp() {
-        users = new ArrayList<>();
-        Map<String, Object> user = Map.of(
-                "login", "user1",
-                "rolle", "USER",
-                "credentials", Map.of("passwortHash", "$2a$12$abc123"),
-                "gruppe", "user1"
-        );
-        users.add(user);
-        configMapUserList = new ConfigMapUserList(users);
-    }
-
-    @Nested
-    class ExistsUserTests {
-        @Test
-        void shouldReturnTrueWhenUserExists() {
-            assertTrue(configMapUserList.existsUser("user1"));
-        }
-
-        @Test
-        void shouldReturnFalseWhenUserDoesNotExist() {
-            assertFalse(configMapUserList.existsUser("nonExistentUser"));
-        }
-    }
-
-    @Nested
-    class AddUserTests {
-        @Test
-        void shouldAddUserCorrectly() {
-            configMapUserList.addUserToList("newUser", "$2a$12$newHash", "USER");
-
-            assertTrue(configMapUserList.existsUser("newUser"));
-
-            Map<String, Object> addedUser = configMapUserList.getUsersList()
-                    .stream()
-                    .filter(user -> "newUser".equals(user.get("login")))
-                    .findFirst()
-                    .orElseThrow();
-
-            assertEquals("USER", addedUser.get("rolle"));
-            assertEquals(Map.of("passwortHash", "$2a$12$newHash"), addedUser.get("credentials"));
-            assertEquals("newUser", addedUser.get("gruppe"));
-        }
-    }
-
-    @Nested
-    class RemoveUserTests {
-        @Test
-        void shouldRemoveUserCorrectly() {
-            configMapUserList.removeDeleted("user1");
-
-            assertFalse(configMapUserList.existsUser("user1"));
-        }
-    }
-
-    @Nested
-    class GetUsersListTests {
-
-        @Test
-        void shouldReturnCurrentUsersList() {
-            List<Map<String, Object>> userList = configMapUserList.getUsersList();
-
-            assertEquals(1, userList.size());
-
-            Map<String, Object> user = userList.get(0);
-            assertEquals("user1", user.get("login"));
-            assertEquals("USER", user.get("rolle"));
-            assertEquals(Map.of("passwortHash", "$2a$12$abc123"), user.get("credentials"));
-            assertEquals("user1", user.get("gruppe"));
-        }
-
-        @Test
-        void shouldReturnEmptyListIfNoUsers() {
-            ConfigMapUserList emptyConfigMapUserList = new ConfigMapUserList(new ArrayList<>());
-
-            assertTrue(emptyConfigMapUserList.getUsersList().isEmpty(), "Users list should be empty");
-        }
-    }
-}
diff --git a/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapFactory.java b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..5b643cbf8acbe49649b4f4f06dfaae6bfbb3d821
--- /dev/null
+++ b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapFactory.java
@@ -0,0 +1,33 @@
+package de.ozgcloud.operator.elstertransfer.user;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
+
+public class OzgCloudElsterTransferConfigMapFactory {
+	private static final String CONFIG_MAP_NAME = "etr-user-config";
+	private static final String USERS_KEY = "users.yaml";
+
+	public static ConfigMap create() {
+		String usersYaml = "fileFormat: 1\n" +
+				"users:\n" +
+				"  - login: \"admin\"\n" +
+				"    rolle: \"ADMIN\"\n" +
+				"    credentials:\n" +
+				"      passwortHash: \"$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a\"\n" +
+				"    gruppe: \"Administratoren\"\n";
+
+		Map<String, String> data = new HashMap<>();
+		data.put(USERS_KEY, usersYaml);
+		ConfigMap configMap = new ConfigMapBuilder()
+				.withNewMetadata()
+				.withName(CONFIG_MAP_NAME)
+				.endMetadata()
+				.withData(data)
+				.build();
+		return configMap;
+	}
+
+}
diff --git a/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListFactory.java b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..42b6a4da500b43ae7846b6ae3bef1b7ecbaea511
--- /dev/null
+++ b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListFactory.java
@@ -0,0 +1,22 @@
+package de.ozgcloud.operator.elstertransfer.user;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class OzgCloudElsterTransferConfigMapUserListFactory {
+
+	public static List<Map<String, Object>> create() {
+		Map<String, Object> user1 = new HashMap<>();
+		user1.put("login", "user1");
+		user1.put("rolle", "USER");
+		user1.put("gruppe", "user1");
+		Map<String, String> credentials = new HashMap<>();
+		credentials.put("passwortHash", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a");
+		user1.put("credentials", credentials);
+		List<Map<String, Object>> usersList = Arrays.asList(user1);
+		return usersList;
+	}
+
+}
diff --git a/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListTest.java b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..5ca2987f257db8d1fe720ee64224545157dd21d3
--- /dev/null
+++ b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferConfigMapUserListTest.java
@@ -0,0 +1,91 @@
+package de.ozgcloud.operator.elstertransfer.user;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+class OzgCloudElsterTransferConfigMapUserListTest {
+
+	private OzgCloudElsterTransferConfigMapUserList configMapUserList;
+
+	@BeforeEach
+	void setUp() {
+		configMapUserList = new OzgCloudElsterTransferConfigMapUserList(OzgCloudElsterTransferConfigMapUserListFactory.create());
+	}
+
+	@Nested
+	class ExistsUserTests {
+		@Test
+		void shouldReturnTrueWhenUserExists() {
+			assertTrue(configMapUserList.existsUser("user1"));
+		}
+
+		@Test
+		void shouldReturnFalseWhenUserDoesNotExist() {
+			assertFalse(configMapUserList.existsUser("nonExistentUser"));
+		}
+	}
+
+	@Nested
+	class AddUserTests {
+		@Test
+		void shouldAddUser() {
+			configMapUserList.addUserToList("newUser", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a", "USER");
+
+			assertTrue(configMapUserList.existsUser("newUser"));
+		}
+
+		@Test
+		void shouldAddUserWithCorrectInput() {
+			configMapUserList.addUserToList("newUser", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a", "USER");
+			Map<String, Object> addedUser = configMapUserList.getUsersList()
+					.stream()
+					.filter(user -> "newUser".equals(user.get("login")))
+					.findFirst()
+					.orElseThrow();
+
+			assertEquals("USER", addedUser.get("rolle"));
+			assertEquals(Map.of("passwortHash", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a"), addedUser.get("credentials"));
+			assertEquals("newUser", addedUser.get("gruppe"));
+		}
+	}
+
+	@Nested
+	class RemoveUserTests {
+		@Test
+		void shouldRemoveUserCorrectly() {
+			configMapUserList.removeDeleted("user1");
+
+			assertFalse(configMapUserList.existsUser("user1"));
+		}
+	}
+
+	@Nested
+	class GetUsersListTests {
+
+		@Test
+		void shouldReturnCurrentUsersList() {
+			List<Map<String, Object>> userList = configMapUserList.getUsersList();
+			Map<String, Object> user = userList.get(0);
+
+			assertEquals(1, userList.size());
+			assertEquals("user1", user.get("login"));
+			assertEquals("USER", user.get("rolle"));
+			assertEquals(Map.of("passwortHash", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a"), user.get("credentials"));
+			assertEquals("user1", user.get("gruppe"));
+		}
+
+		@Test
+		void shouldReturnEmptyListIfNoUsers() {
+			OzgCloudElsterTransferConfigMapUserList emptyConfigMapUserList = new OzgCloudElsterTransferConfigMapUserList(new ArrayList<>());
+
+			assertTrue(emptyConfigMapUserList.getUsersList().isEmpty());
+		}
+	}
+}
diff --git a/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserServiceTest.java b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserServiceTest.java
index f64ca260ee4c1b8bc16479b856f62d722bc0ae26..2fa129108811c51895d83482227154b736b70833 100644
--- a/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserServiceTest.java
+++ b/src/test/java/de/ozgcloud/operator/elstertransfer/user/OzgCloudElsterTransferUserServiceTest.java
@@ -4,7 +4,6 @@ import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
 
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -32,7 +31,7 @@ class OzgCloudElsterTransferUserServiceTest {
 	private ConfigMap configMap;
 
 	@Mock
-	private ConfigMapUserList users;
+	private OzgCloudElsterTransferConfigMapUserList users;
 
 	private static final String namespace = OzgCloudElsterTransferUserTestFactory.METADATA_NAMESPACE;
 	private static final String configMapName = OzgCloudElsterTransferUserTestFactory.CONFIG_MAP_NAME;
@@ -46,20 +45,14 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@BeforeEach
 		void setUp() {
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of(usersKey, mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
-			when(users.getUsersList()).thenReturn(List.of(Map.of(
-					"login", "testUser",
-					"rolle", "USER",
-					"credentials", Map.of("passwortHash", "hashedPassword"),
-					"gruppe", "testGroup")));
+			when(users.getUsersList()).thenReturn(OzgCloudElsterTransferConfigMapUserListFactory.create());
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
 		}
 
 		@Test
 		void shouldCallGenerateUsersYamlAndUpdateConfigMap() {
-
 			service.updateConfigMapAndRestartDeploymentAndCreateSecret(namespace);
 
 			verify(service).generateUsersYamlAndUpdateConfigMap(namespace, configMapNamespace, configMapName);
@@ -67,7 +60,6 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallRestartDeployment() {
-
 			service.updateConfigMapAndRestartDeploymentAndCreateSecret(namespace);
 
 			verify(service).restartDeployment(configMapNamespace, deploymentName);
@@ -100,7 +92,7 @@ class OzgCloudElsterTransferUserServiceTest {
 
 			verify(service, never()).createOrUpdateSecret(any(), any(), any());
 		}
-		
+
 	}
 
 	@Nested
@@ -109,10 +101,8 @@ class OzgCloudElsterTransferUserServiceTest {
 		@Test
 		void keepAfterDeleteShouldReturnFalseAsDefault() {
 
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of("users.yaml", mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
-
 			OzgCloudElsterTransferUser user = OzgCloudElsterTransferUserTestFactory.create();
 
 			service.deleteUserAndRestartDeploymentIfNotKeepUserAndUserExists(user);
@@ -123,13 +113,10 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallUserExists() {
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of("users.yaml", mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
 
-			OzgCloudElsterTransferUser user = OzgCloudElsterTransferUserTestFactory.create();
-
-			service.deleteUserAndRestartDeploymentIfNotKeepUserAndUserExists(user);
+			service.deleteUserAndRestartDeploymentIfNotKeepUserAndUserExists(OzgCloudElsterTransferUserTestFactory.create());
 
 			verify(service).userExists(namespace, configMapNamespace, configMapName);
 
@@ -149,14 +136,9 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallDeleteUser() {
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of("users.yaml", mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
-			when(users.getUsersList()).thenReturn(List.of(Map.of(
-					"login", "testUser",
-					"rolle", "USER",
-					"credentials", Map.of("passwortHash", "hashedPassword"),
-					"gruppe", "testGroup")));
+			when(users.getUsersList()).thenReturn(OzgCloudElsterTransferConfigMapUserListFactory.create());
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
 			OzgCloudElsterTransferUser user = OzgCloudElsterTransferUserTestFactory.create();
 			when(service.userExists(namespace, configMapNamespace, configMapName)).thenReturn(true);
@@ -179,8 +161,7 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldNotCallDeleteUserOrRestartDeploymentIfUserNotExists() {
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of("users.yaml", mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
 			OzgCloudElsterTransferUser user = OzgCloudElsterTransferUserTestFactory.create();
 			when(service.userExists(namespace, configMapNamespace, configMapName)).thenReturn(false);
@@ -193,16 +174,10 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallRestartDeployment() {
-			String mockedUsersYaml = "fileFormat: 1\nusers:\n  - login: testUser\n";
-			when(configMap.getData()).thenReturn(Map.of("users.yaml", mockedUsersYaml));
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
-			when(users.getUsersList()).thenReturn(List.of(Map.of(
-					"login", "testUser",
-					"rolle", "USER",
-					"credentials", Map.of("passwortHash", "hashedPassword"),
-					"gruppe", "testGroup")));
+			when(users.getUsersList()).thenReturn(OzgCloudElsterTransferConfigMapUserListFactory.create());
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
-
 			OzgCloudElsterTransferUser user = OzgCloudElsterTransferUserTestFactory.create();
 			when(service.userExists(namespace, configMapNamespace, configMapName)).thenReturn(true);
 
@@ -218,15 +193,13 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@BeforeEach
 		public void setUp() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(anyString(), anyString())).thenReturn(configMap);
 		}
 
-        @Test
+		@Test
 		void shouldNotCallCreateConfigMap() {
-            when(remoteService.getConfigMap(configMapNamespace, configMapName)).thenReturn(configMap);
+			when(remoteService.getConfigMap(configMapNamespace, configMapName)).thenReturn(configMap);
 
 			service.generateUsersYamlAndUpdateConfigMap(namespace, configMapNamespace, configMapName);
 
@@ -254,10 +227,11 @@ class OzgCloudElsterTransferUserServiceTest {
 			verify(service).updateConfigMap(eq(configMapNamespace), eq(configMapName), eq(configMap), anyString());
 		}
 
-        @Test
+		@Test
 		void shouldNotCallUpdateConfigMap() {
-            when(service.generatePassword()).thenReturn("psw");
-            when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("");
+			when(service.generatePassword()).thenReturn("psw");
+			when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("");
+
 			service.generateUsersYamlAndUpdateConfigMap(namespace, configMapNamespace, configMapName);
 
 			verify(service, never()).updateConfigMap(any(), any(), any(), anyString());
@@ -265,8 +239,9 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldSetUserPSEmptyWWhenUserYamlEmpty() {
-            when(service.generatePassword()).thenReturn("psw");
-            when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("");
+			when(service.generatePassword()).thenReturn("psw");
+			when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("");
+
 			String userPassword = service.generateUsersYamlAndUpdateConfigMap(namespace, configMapNamespace, configMapName);
 
 			assertTrue(userPassword.isEmpty());
@@ -274,8 +249,9 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldSetUserPSWWhenUserYamlNotEmpty() {
-            when(service.generatePassword()).thenReturn("psw");
-            when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("someYaml");
+			when(service.generatePassword()).thenReturn("psw");
+			when(service.addUserToUserYaml(namespace, configMap, "psw")).thenReturn("someYaml");
+
 			String userPassword = service.generateUsersYamlAndUpdateConfigMap(namespace, configMapNamespace, configMapName);
 
 			assertFalse(userPassword.isEmpty());
@@ -291,13 +267,11 @@ class OzgCloudElsterTransferUserServiceTest {
 	}
 
 	@Nested
-	class addUserToUserYamlTests {		
+	class addUserToUserYamlTests {
 
 		@Test
 		void shouldCallgetUsersFromConfigMap() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 
 			service.addUserToUserYaml(namespace, configMap, "password");
 
@@ -305,7 +279,7 @@ class OzgCloudElsterTransferUserServiceTest {
 		}
 
 		@Test
-		void shouldNotCallgetUsersFromConfigMap() {		
+		void shouldNotCallgetUsersFromConfigMap() {
 			service.addUserToUserYaml(namespace, null, "password");
 
 			verify(service, never()).getUsersFromConfigMap(any());
@@ -313,15 +287,9 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallUserExistsInList() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
-			when(users.getUsersList()).thenReturn(List.of(Map.of(
-					"login", "testUser",
-					"rolle", "USER",
-					"credentials", Map.of("passwortHash", "hashedPassword"),
-					"gruppe", "testGroup")));
+			when(users.getUsersList()).thenReturn(OzgCloudElsterTransferConfigMapUserListFactory.create());
 
 			service.addUserToUserYaml(namespace, configMap, "password");
 
@@ -330,9 +298,7 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallAddNewUserToListWhenUserNotExists() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
 
 			service.addUserToUserYaml(namespace, configMap, "password");
@@ -342,9 +308,7 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldCallconstructYamlEntries() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
 
 			service.addUserToUserYaml(namespace, configMap, "password");
@@ -354,10 +318,9 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void TestUserYamlShouldNotBeEmpty() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
-			// when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
+			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
+			when(service.userExistsInList(users, namespace)).thenReturn(false);
 
 			String userYaml = service.addUserToUserYaml(namespace, configMap, "password");
 
@@ -366,9 +329,7 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void TestUserYamlShouldBeEmpty() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(service.getUsersFromConfigMap(configMap)).thenReturn(users);
 			when(service.userExistsInList(users, namespace)).thenReturn(true);
 
@@ -395,7 +356,6 @@ class OzgCloudElsterTransferUserServiceTest {
 			verify(remoteService, never()).createConfigMap(any(), any());
 		}
 
-
 		@Test
 		void shouldCallUpdateConfigMapData() {
 			service.updateConfigMap(configMapNamespace, configMapName, configMap, "mockedUsersYaml");
@@ -420,15 +380,12 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@BeforeEach
 		public void setUp() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(configMapNamespace, configMapName)).thenReturn(configMap);
 		}
 
 		@Test
 		void shouldCallGetConfigMap() {
-			//
 			service.userExists(namespace, configMapNamespace, configMapName);
 
 			verify(remoteService).getConfigMap(configMapNamespace, configMapName);
@@ -473,9 +430,7 @@ class OzgCloudElsterTransferUserServiceTest {
 	class DeleteUserTests {
 		@BeforeEach
 		public void setUp() {
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put("users.yaml", "users: []");
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 			when(remoteService.getConfigMap(configMapNamespace, configMapName)).thenReturn(configMap);
 		}
 
@@ -537,34 +492,23 @@ class OzgCloudElsterTransferUserServiceTest {
 	class GetUsersFromConfigMapTests {
 		@BeforeEach
 		public void setUp() {
-			String usersYaml = "fileFormat: 1\n" +
-					"users:\n" +
-					"  - login: \"admin\"\n" +
-					"    rolle: \"ADMIN\"\n" +
-					"    credentials:\n" +
-					"      passwortHash: \"$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a\"\n" +
-					"    gruppe: \"Administratoren\"\n";
-
-			Map<String, String> mockData = new HashMap<>();
-			mockData.put(usersKey, usersYaml);
-			when(configMap.getData()).thenReturn(mockData);
+			configMap = OzgCloudElsterTransferConfigMapFactory.create();
 		}
 
 		@Test
 		void shouldReturnObjectConfigMapUserList() {
-
-			ConfigMapUserList result = service.getUsersFromConfigMap(configMap);
+			OzgCloudElsterTransferConfigMapUserList result = service.getUsersFromConfigMap(configMap);
 
 			assertNotNull(result);
-			assertInstanceOf(ConfigMapUserList.class, result);
+			assertInstanceOf(OzgCloudElsterTransferConfigMapUserList.class, result);
 		}
 
 		@Test
 		void shouldReturnConfigMapUserListWithContent() {
-
-			ConfigMapUserList result = service.getUsersFromConfigMap(configMap);
+			OzgCloudElsterTransferConfigMapUserList result = service.getUsersFromConfigMap(configMap);
 
 			List<Map<String, Object>> usersList = result.getUsersList();
+
 			assertEquals(1, usersList.size());
 		}
 
@@ -603,26 +547,12 @@ class OzgCloudElsterTransferUserServiceTest {
 
 		@Test
 		void shouldHaveResultWithCorrectContent() {
-			Map<String, Object> user1 = new HashMap<>();
-			user1.put("login", "admin");
-			user1.put("rolle", "ADMIN");
-			Map<String, Object> user2 = new HashMap<>();
-			user2.put("login", "user");
-			user2.put("rolle", "USER");
-
-			List<Map<String, Object>> usersList = Arrays.asList(user1, user2);
-			when(users.getUsersList()).thenReturn(usersList);
-			doReturn("  - login: admin\n    rolle: ADMIN\n").when(service).getYamlForUser(user1);
-			doReturn("  - login: user\n    rolle: USER\n").when(service).getYamlForUser(user2);
-
-			String result = service.constructYamlEntries(users);
-
+			when(users.getUsersList()).thenReturn(OzgCloudElsterTransferConfigMapUserListFactory.create());
 			String expectedYaml = "fileFormat: 1\n" +
 					"users:\n" +
-					"  - login: admin\n" +
-					"    rolle: ADMIN\n" +
-					"  - login: user\n" +
-					"    rolle: USER\n";
+					"  - { login: \"user1\", rolle: \"USER\", credentials: { passwortHash: \"$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a\" }, gruppe: \"user1\" }\n";
+
+			String result = service.constructYamlEntries(users);
 
 			assertEquals(expectedYaml, result);
 		}
@@ -633,17 +563,16 @@ class OzgCloudElsterTransferUserServiceTest {
 		@Test
 		void shouldReturnExpectedYamlForUser() {
 			Map<String, Object> userEntry = new HashMap<>();
-			userEntry.put("login", "admin");
-			userEntry.put("rolle", "ADMIN");
-			userEntry.put("gruppe", "Administratoren");
+			userEntry.put("login", "user1");
+			userEntry.put("rolle", "USER");
+			userEntry.put("gruppe", "user1");
 			Map<String, String> credentials = new HashMap<>();
 			credentials.put("passwortHash", "$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a");
 			userEntry.put("credentials", credentials);
+			String expectedYaml = "  - { login: \"user1\", rolle: \"USER\", credentials: { passwortHash: \"$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a\" }, gruppe: \"user1\" }\n";
 
 			String result = service.getYamlForUser(userEntry);
 
-			String expectedYaml = "  - { login: \"admin\", rolle: \"ADMIN\", credentials: { passwortHash: \"$2a$12$cqKZMcwTUe/tju7PIFGhperWdV2Xa9o4fVw5eClbzatRhvxZphE1a\" }, gruppe: \"Administratoren\" }\n";
-
 			assertEquals(expectedYaml, result);
 		}