JMeterUtils.getProperties(propsFile);
SamplerController sc = createTestSample(url);
ol = new OutputListener(outfile);
engine = new StandardJMeterEngine();
ThreadGroup tGroup = new ThreadGroup();
tGroup.addListener(ol);
tGroup.addSamplerController(sc);
tGroup.setName("Group 1");
tGroup.setNumThreads(1);
tGroup.addTimer(new GaussianRandomTimer());
engine.addThreadGroup(tGroup);