How to make a test probe. Entry API (PlumbingContext) will change prior 2.0 final.

Exam2_API2.java

private TestProbeProvider makeProbe() throws IOException
{
    TestProbeBuilder probe = new PlumbingContext().createProbe();
    probe.addTests( 
        SingleTestProbe.class, 
        getAllMethods( SingleTestProbe.class ) 
    );
   return probe.build();
}