ConfigurationConverterTest.testConversionAndSerializationFrom60 test failure

java.lang.AssertionError: expected:<50> but was:<0>
at org.infinispan.tools.ConfigurationConverterTest.assertPersistenceConverted(ConfigurationConverterTest.java:770)
at org.infinispan.tools.ConfigurationConverterTest.access$1500(ConfigurationConverterTest.java:50)
at org.infinispan.tools.ConfigurationConverterTest$1.call(ConfigurationConverterTest.java:88)
at org.infinispan.test.TestingUtil.withCacheManager(TestingUtil.java:1433)
at org.infinispan.tools.ConfigurationConverterTest.testConversionAndSerializationFrom60(ConfigurationConverterTest.java:69)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
... Removed 21 stack frames