Make codebase compliant with -Xep:UnusedVariable:ERROR

Signed-off-by: Yannic Bonenberger <yannic@engflow.com>

analyzer/javatests/com/engflow/bazel/invocation/analyzer/dataproviders/remoteexecution/TotalQueuingDurationDataProviderTest.java

@@ -78,7 +78,7 @@ public void shouldReturnZeroQueuingDuration() throws Exception {
     verify(dataManager).getDatum(BazelProfile.class);
     verifyNoMoreInteractions(dataManager);
 
-    assertThat(provider.getTotalQueuingDuration().getTotalQueuingDuration())
+    assertThat(queuing.getTotalQueuingDuration())
         .isEqualTo(Duration.ZERO);
   }
 }