/**
    * Ensure classes from the Bootstrap CL 
    * can be added to {@link ClassContainer}s.
    * 
    * @throws Exception
    */
   @Test
   @ArchiveType(ClassContainer.class)
   public void testAddClassFromBootstrapCl() throws Exception
   {
      final ClassContainer<T> archive = this.getClassContainer();
      archive.addClass(String.class);
      Assert.assertTrue("Archive does not contain class added from bootstrap CL",
            ((Archive<?>) archive).contains("/java/lang/String.class"));
   }

java.lang.IllegalArgumentException: ClassLoader must be specified
	at org.jboss.shrinkwrap.impl.base.Validate.notNull(Validate.java:44)
	at org.jboss.shrinkwrap.impl.base.URLPackageScanner.newInstance(URLPackageScanner.java:77)
	at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addPackage(ContainerBase.java:1328)
	at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addPackages(ContainerBase.java:1303)
	at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addClasses(ContainerBase.java:1167)
	at org.jboss.shrinkwrap.impl.base.container.ContainerBase.addClass(ContainerBase.java:1090)
	at org.jboss.shrinkwrap.impl.base.test.DynamicContainerTestBase.testAddClassFromBootstrapCl(DynamicContainerTestBase.java:923)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	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)