Unit test fails

[dstenger]

Current master branch is built via mvn clean install site -Pintegration-tests,docker.

Following unit test failure occurs:

Results :

Failed tests: 
  VerifyNetworkLinkControlTests.invalidDeleteTarget 
Expected: (an instance of java.lang.AssertionError and exception with message a string containing "2 schema validation error(s) detected")
     but: an instance of java.lang.AssertionError <java.lang.IllegalArgumentException: Error parsing media type 'None'> is a java.lang.IllegalArgumentException
Stacktrace was: java.lang.IllegalArgumentException: Error parsing media type 'None'
	at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:79)
	at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:53)
	at javax.ws.rs.core.MediaType.valueOf(MediaType.java:119)
	at org.opengis.cite.kml2.util.HttpClientUtils.contentIsAcceptable(HttpClientUtils.java:243)
	at org.opengis.cite.kml2.ETSAssert.assertReferentExists(ETSAssert.java:326)
	at org.opengis.cite.kml2.validation.UpdateValidator.isValid(UpdateValidator.java:91)
	at org.opengis.cite.kml2.c1.NetworkLinkControlTests.validUpdate(NetworkLinkControlTests.java:91)
	at org.opengis.cite.kml2.c1.VerifyNetworkLinkControlTests.invalidDeleteTarget(VerifyNetworkLinkControlTests.java:106)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:239)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)
Caused by: java.text.ParseException: End of header
	at com.sun.jersey.core.header.reader.HttpHeaderReaderImpl.getNextCharacter(HttpHeaderReaderImpl.java:168)
	at com.sun.jersey.core.header.reader.HttpHeaderReaderImpl.next(HttpHeaderReaderImpl.java:129)
	at com.sun.jersey.core.header.reader.HttpHeaderReaderImpl.next(HttpHeaderReaderImpl.java:124)
	at com.sun.jersey.core.header.reader.HttpHeaderReader.nextSeparator(HttpHeaderReader.java:116)
	at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.valueOf(MediaTypeProvider.java:90)
	at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:77)
	... 34 more


Tests run: 113, Failures: 1, Errors: 0, Skipped: 6

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  7.131 s
[INFO] Finished at: 2021-08-09T12:15:24+02:00
[INFO] ------------------------------------------------------------------------