Tests using UDP in spite of TCP configuration

Some tests are using UDP transport in spite of configuring TCP as transport for the testsuite, see https://infinispan.ci.cloudbees.com/job/Infinispan-master-JDK6-tcp/571/consoleText

These tests appear to be:

• EHCache2InfinispanTransformerTest
• SampleConfigFilesCorrectnessTest
• CacheManagerXmlConfigurationTest
• NoXaConfigTest
• DifferentCacheModesTest
• Command line test (?? query module related?? [testng-Command line test] Test testClear(org.infinispan.query.blackbox.ClusteredCacheTest) succeeded.)