Arquillian tests fail on java.lang.ClassCastException

Description of problem:
When arquillian quickstarts tests are executed, tests fail on java.lang.ClassCastException. See stacktrace in attachment.

Failing tests:
HouseFireTest.java in stateful-ksession quickstart
TransactionsTest.java in helloworld-cep quickstart

Version-Release number of selected component (if applicable):
BRMS 6.2.0.ER3.

How reproducible:
-

Steps to Reproduce:
1. Execute one of the mentioned tests. (mvn clean install test -Parq-jbossas-remote)

Actual results:
Tests failed with java.lang.ClassCastException.

Expected results:
Tests pass.

Additional info:
It looks like it is similar to this problem: https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=1193473.