See: you don't write starting or stopping a particular container. Its delegated to the ReactorStrategy

Exam2_API3.java

public void reactorRun( StagedExamReactorFactory strategy ) throws Exception
{
        TestContainerFactory factory = getFactory();
        Option[] options = new Option[]{ junitBundles(), easyMockBundles() };

        ExxamReactor reactor = new DefaultExamReactor( factory );

        TestProbeProvider probe = makeProbe();

        reactor.addProbe( probe );
        reactor.addConfiguration( options );

        StagedExamReactor stagedReactor = reactor.stage( strategy );
        try
        {
            for( TestAddress call : stagedReactor.getTargets() )
            {
                stagedReactor.invoke( call );
            }

        } finally
        {
            stagedReactor.tearDown();
        }
 }