testing.add(controller,sampler2);
testing.getTree(controller).add(sampler, args);
TestCompiler.initialize();
TestCompiler compiler = new TestCompiler(testing,new JMeterVariables());
testing.traverse(compiler);
sampler = (HTTPSampler)compiler.configureSampler(sampler).getSampler();
assertEquals(config1.getProperty(HTTPSampler.DOMAIN), sampler.getDomain());
assertEquals(args.getArgument(0).getName(), sampler.getArguments().getArgument(0).getName());
assertEquals(1,sampler.getArguments().getArguments().size());
}