OZG-6810 extend test

vorgang-manager-server/src/test/java/de/ozgcloud/vorgang/files/OzgCloudFileRepositoryITCase.java

@@ -79,6 +79,7 @@ class OzgCloudFileRepositoryITCase {
 		void shouldSaveFile() {
 			var result = repository.save(ozgCloudFile);
 
+			assertThat(result).usingRecursiveComparison().ignoringFields("id", OzgCloudFile.FIELD_VERSION).isEqualTo(ozgCloudFile);
 			var savedOzgCloudFile = mongoOperations.findById(result.getId(), OzgCloudFile.class);
 			assertThat(result).usingRecursiveComparison().isEqualTo(savedOzgCloudFile);
 		}