diff --git a/CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/check/CheckerTest.java b/CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/check/CheckerTest.java
index 324977e980dd577a3e196d4b35b160e8cabfeef0..799b27307361491671017a36ef2a3b328ef713dd 100644
--- a/CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/check/CheckerTest.java
+++ b/CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/check/CheckerTest.java
@@ -179,7 +179,7 @@ public class CheckerTest {
         cgmlArch.mountArchive(new ParserConfiguration(8, false));
         ValidationConfiguration config = ValidationConfiguration.loadStandardValidationConfig();
         FeatureCheckedListener l = co -> {
-            assertTrue(co.isValidated());
+            assertTrue("CityObject should be validated", co.isValidated());
         };
         for (CityGmlZipEntry entry : cgmlArch.getEntries()) {
             Checker.streamCheck(entry, null, null, config, l, null);