NPE when JBOSS_HOME isn't set

org.jboss.arquillian.impl.event.FiredEventException: java.lang.NullPointerException
at org.jboss.arquillian.impl.event.MapEventManager.fire(MapEventManager.java:68)
at org.jboss.arquillian.impl.context.AbstractEventContext.fire(AbstractEventContext.java:115)
at org.jboss.arquillian.impl.EventTestRunnerAdaptor.beforeSuite(EventTestRunnerAdaptor.java:62)
at org.jboss.arquillian.junit.Arquillian.<init>(Arquillian.java:89)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:31)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:32)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:41)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:31)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.NullPointerException
at org.jboss.jbossas.servermanager.ServerManager.getJavaEndorsedDirs(ServerManager.java:260)
at org.jboss.jbossas.servermanager.ServerController.getEndorsedDirsProperty(ServerController.java:212)
at org.jboss.jbossas.servermanager.ServerController.getStartCommandLine(ServerController.java:191)
at org.jboss.jbossas.servermanager.ServerController.startServer(ServerController.java:101)
at org.jboss.jbossas.servermanager.ServerManager.startServer(ServerManager.java:163)
at org.jboss.arquillian.container.jbossas.managed_6.JBossASLocalContainer.start(JBossASLocalContainer.java:84)
at org.jboss.arquillian.impl.handler.ContainerStarter.callback(ContainerStarter.java:52)
at org.jboss.arquillian.impl.handler.ContainerStarter.callback(ContainerStarter.java:41)
at org.jboss.arquillian.impl.event.MapEventManager.fire(MapEventManager.java:63)
... 21 more