def METHOD_NAME(self):
    build1 = Properties(img_prop="image1")
    build2 = Properties(img_prop="image2")
    worker = yield self.setupWorker('worker', image=Interpolate("%(prop:img_prop)s"))
    yield worker.start_instance(build1)
    yield worker.stop_instance()
    self.assertTrue((yield worker.isCompatibleWithBuild(build2)))