OZG-6748 Test oeid with extracting assertion

formcycle-adapter/formcycle-adapter-impl/src/test/java/de/ozgcloud/eingang/formcycle/FormCycleFormDataMapperTest.java

@@ -32,6 +32,7 @@ import org.mockito.InjectMocks;
 import org.mockito.Spy;
 
 import de.ozgcloud.eingang.common.formdata.FormHeaderTestFactory;
+import de.ozgcloud.eingang.common.formdata.ZustaendigeStelle;
 import de.ozgcloud.vorgang.common.grpc.GrpcFormDataMapper;
 
 class FormCycleFormDataMapperTest {
@@ -59,7 +60,9 @@ class FormCycleFormDataMapperTest {
 		void shouldMapZustaendigeStelle() {
 			var mapped = mapper.toFormData(FormCycleFormDataTestFactory.create());
 
-			assertThat(mapped.getZustaendigeStelles().getFirst().getOrganisationseinheitenId()).isEqualTo(FormCycleFormHeaderTestFactory.ORGANISATIONSEINHEIT_ID);
+			assertThat(mapped.getZustaendigeStelles())
+					.extracting(ZustaendigeStelle::getOrganisationseinheitenId)
+					.containsExactly(FormCycleFormHeaderTestFactory.ORGANISATIONSEINHEIT_ID);
 		}
 	}