diff --git a/src/test/java/hs/fulda/de/ci/exam/project/FlightTest.java b/src/test/java/hs/fulda/de/ci/exam/project/FlightTest.java
index b4a40fc..d6efd42 100644
--- a/src/test/java/hs/fulda/de/ci/exam/project/FlightTest.java
+++ b/src/test/java/hs/fulda/de/ci/exam/project/FlightTest.java
@@ -65,5 +65,7 @@ class FlightTest {
 
     @Test
     void getDurationInMinutes() {
+        assertThat(flight1.getDurationInMinutes()).describedAs("get duration of flight").isEqualTo(140);
+
     }
 }
\ No newline at end of file
diff --git a/target/test-classes/hs/fulda/de/ci/exam/project/FlightTest.class b/target/test-classes/hs/fulda/de/ci/exam/project/FlightTest.class
index 48e7aa9..a4b7c91 100644
Binary files a/target/test-classes/hs/fulda/de/ci/exam/project/FlightTest.class and b/target/test-classes/hs/fulda/de/ci/exam/project/FlightTest.class differ