OZG-6897 clean up test

user-manager-server/src/test/java/de/ozgcloud/user/UserResourceMapperTest.java

@@ -29,6 +29,7 @@ import static org.mockito.Mockito.*;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
@@ -66,7 +67,7 @@ class UserResourceMapperTest {
 	@Mock
 	RealmResource realm;
 
-	private UserResource userResource;
+	final Set<String> organisationsEinheitIds = Set.of(ORGANISATIONS_EINHEIT_ID_1);
 
 	@DisplayName("To kop user")
 	@Nested
@@ -75,15 +76,8 @@ class UserResourceMapperTest {
 		@BeforeEach
 		void init() {
 			when(properties.ldapIdKey()).thenReturn("LDAP_ID");
-			when(properties.organisationsEinheitIdKey()).thenReturn("organisationseinheitId");
-			when(properties.client()).thenReturn("alfa");
-			when(realm.getGroupByPath(GROUP_1_PATH))
-					.thenReturn(GroupRepresentationTestFactory.createByPathAndOrganisationEinheitIds(GROUP_1_PATH, ORGANISATIONS_EINHEIT_ID_1));
-			when(properties.ldapIdKey()).thenReturn("LDAP_ID");
-			when(properties.organisationsEinheitIdKey()).thenReturn("organisationseinheitId");
 			when(properties.client()).thenReturn("alfa");
-
-			userResource = UserResourceTestFactory.create();
+			doReturn(organisationsEinheitIds).when(mapper).mapOrganisationsEinheitIds(any());
 		}
 
 		@Test
@@ -142,9 +136,9 @@ class UserResourceMapperTest {
 
 		@Test
 		void shouldMapOrganisationsEinheitIds() {
-			toKopUser();
+			var result = toKopUser();
 
-			verify(mapper).mapOrganisationsEinheitIds(userResource);
+			assertThat(result.getOrganisationsEinheitIds()).hasSameElementsAs(organisationsEinheitIds);
 		}
 
 		@Test
@@ -176,7 +170,7 @@ class UserResourceMapperTest {
 		}
 
 		private User toKopUser() {
-			return toKopUser(userResource);
+			return toKopUser(UserResourceTestFactory.create());
 		}
 
 		private User toKopUser(UserResource userResource) {