Failing build because of OSGi / Karaf tests

Default build fails (since over one year) because of failing karaf-fit: https://builds.apache.org/job/olingo-odata4/1502/consoleText

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T E S T S
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Running org.apache.olingo.osgi.itests.BundlesTest
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 8.83 sec <<< FAILURE! - in org.apache.olingo.osgi.itests.BundlesTest
test(org.apache.olingo.osgi.itests.BundlesTest) Time elapsed: 0.122 sec <<< FAILURE!
java.lang.AssertionError: Bundle org.apache.olingo.odata-server-api should be started expected:<32> but was:<2>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:743)
at org.junit.Assert.assertEquals(Assert.java:118)
at org.junit.Assert.assertEquals(Assert.java:555)
at org.apache.olingo.osgi.itests.OlingoOSGiTestSupport.assertBundleStarted(OlingoOSGiTestSupport.java:123)
at org.apache.olingo.osgi.itests.BundlesTest.test(BundlesTest.java:40)

Running org.apache.olingo.osgi.itests.server.CarServiceTest
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 6.982 sec <<< FAILURE! - in org.apache.olingo.osgi.itests.server.CarServiceTest
testServiceStarted(org.apache.olingo.osgi.itests.server.CarServiceTest) Time elapsed: 6.982 sec <<< FAILURE!
java.lang.AssertionError: Bundle org.apache.olingo.odata-server-osgi-sample should be started expected:<32> but was:<2>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:743)
at org.junit.Assert.assertEquals(Assert.java:118)
at org.junit.Assert.assertEquals(Assert.java:555)
at org.apache.olingo.osgi.itests.OlingoOSGiTestSupport.assertBundleStarted(OlingoOSGiTestSupport.java:123)
at org.apache.olingo.osgi.itests.server.CarServiceTest.testServiceStarted(CarServiceTest.java:52)