StatefulSessionSynchronizationInterceptorTestCase.testDifferentTx() failed with NullPointerException

[ERROR] testDifferentTx(org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptorTestCase)  Time elapsed: 1.143 s  <<< ERROR!
java.lang.NullPointerException
	at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptor.processInvocation(StatefulSessionSynchronizationInterceptor.java:79)
	at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptorTestCase.testDifferentTx(StatefulSessionSynchronizationInterceptorTestCase.java:99)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)