Error in coverage report for org.jboss.tools.esb.validator.test.ESBValidatorAllTests

Running org.jboss.tools.esb.validator.test.ESBValidatorAllTests
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.558 sec

Results :

Tests run: 3, Failures: 0, Errors: 0, Skipped: 0

Could not instrument all bundles as they were not in the bundle context: null
Exception in thread "State Saver" java.lang.NullPointerException
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.saveBundleDatas(BaseStorage.java:575)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.saveAllData(BaseStorage.java:447)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.access$1(BaseStorage.java:435)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage$StateSaver.run(BaseStorage.java:1227)
at java.lang.Thread.run(Thread.java:619)
[INFO] All tests passed!