Thanks for the quick reply.
I've also tried the fully qualified class name but it throws following exception (this was tested with 5.0.0M2):
java.lang.NullPointerException
at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:420)
at org.drools.reteoo.ReteooRuleBase.addPackage(ReteooRuleBase.java:381)
at com.dds.adjudication.service.DroolsTestHelper.createRuleBase(DroolsTestHelper.java:119)
at com.dds.adjudication.service.DroolsTestHelper.getEligibilityRuleBase(DroolsTestHelper.java:81)
at com.dds.adjudication.service.DroolsEligibilityIntegrationTest.setUp(DroolsEligibilityIntegrationTest.java:32)
at org.jmock.integration.junit3.VerifyingTestCase.runBare(VerifyingTestCase.java:36)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:120)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)