diff --git a/src/test/java/de/ozgcloud/admin/migration/M001_CreateEmptyPostfachIfMissingITCase.java b/src/test/java/de/ozgcloud/admin/migration/M001_CreateEmptyPostfachIfMissingITCase.java
index 19e41f79210e5f77e44ade47aba10e795de3f184..96e031c2f2ceb6a860348ee0cbe065986ad7b40f 100644
--- a/src/test/java/de/ozgcloud/admin/migration/M001_CreateEmptyPostfachIfMissingITCase.java
+++ b/src/test/java/de/ozgcloud/admin/migration/M001_CreateEmptyPostfachIfMissingITCase.java
@@ -12,6 +12,7 @@ import org.springframework.data.mongodb.core.MongoTemplate;
 import java.util.List;
 
 import static de.ozgcloud.admin.migration.M001_CreateEmptyPostfachIfMissing.SETTINGS_COLLECTION;
+import static de.ozgcloud.admin.migration.M001_CreateEmptyPostfachIfMissing.TYPE_NAME_KEY;
 import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
 
 @DataITCase
@@ -36,8 +37,12 @@ class M001_CreateEmptyPostfachIfMissingITCase {
 			changeUnit.doMigration(template);
 
 			List<Document> settings = findAllSettings();
-			assertThat(settings).hasSize(1)
-					.anyMatch(this::isEmptyPostfachSetting);
+			assertThat(settings).hasSize(1);
+			Document document = settings.getFirst();
+			System.out.println(document);
+			assertThat(document)
+					.usingRecursiveComparison().ignoringFields("_id")
+					.isEqualTo(MigrationTestFactory.createEmptyPostfach());
 		}
 
 		@Test
@@ -48,9 +53,9 @@ class M001_CreateEmptyPostfachIfMissingITCase {
 			changeUnit.doMigration(template);
 
 			List<Document> settings = findAllSettings();
-			assertThat(settings).hasSize(2)
-					.anyMatch(this::isEmptyPostfachSetting)
-					.contains(settingItem);
+			assertThat(settings)
+					.extracting(TYPE_NAME_KEY)
+					.containsExactly("SomeType", MigrationTestFactory.ITEM_TYPE_VALUE_POSTFACH);
 		}
 
 		@Test
@@ -67,27 +72,13 @@ class M001_CreateEmptyPostfachIfMissingITCase {
 			return template.findAll(Document.class, SETTINGS_COLLECTION);
 		}
 
-		private boolean isEmptyPostfachSetting(Document document) {
-			return document.containsKey(MigrationTestFactory.ITEM_TYPE_KEY) &&
-					document.get(MigrationTestFactory.ITEM_TYPE_KEY)
-							.equals(MigrationTestFactory.ITEM_TYPE_VALUE_POSTFACH) &&
-					!document.containsKey(MigrationTestFactory.ITEM_SETTINGS_KEY);
-		}
-
 	}
 
 	static class MigrationTestFactory {
 
 		public static final String ITEM_TYPE_KEY = "name";
 		public static final String ITEM_SETTINGS_KEY = "settings";
-
-		static Document createSettingsItem(String itemType, Document itemValue) {
-			var settingsItem = new Document();
-			settingsItem.put(ITEM_TYPE_KEY, itemType);
-			settingsItem.put(ITEM_SETTINGS_KEY, itemValue);
-			return settingsItem;
-		}
-
+		public static final String ITEM_ID = "_id";
 		public static final String ITEM_TYPE_VALUE_POSTFACH = "Postfach";
 		public static final String POSTFACH_ABSENDER_KEY = "absender";
 
@@ -97,5 +88,19 @@ class M001_CreateEmptyPostfachIfMissingITCase {
 			return createSettingsItem(ITEM_TYPE_VALUE_POSTFACH, postfach);
 		}
 
+		static Document createEmptyPostfach() {
+			var postfach = new Document();
+			postfach.put(ITEM_TYPE_KEY, ITEM_TYPE_VALUE_POSTFACH);
+			postfach.put(ITEM_ID, null);
+			return postfach;
+		}
+
+		static Document createSettingsItem(String itemType, Document itemValue) {
+			var settingsItem = new Document();
+			settingsItem.put(ITEM_TYPE_KEY, itemType);
+			settingsItem.put(ITEM_SETTINGS_KEY, itemValue);
+			return settingsItem;
+		}
+
 	}
 }