@Test
public void testCleanClean() {
VacuumEnvironment tve = new VacuumEnvironment(
VacuumEnvironment.LocationState.Clean,
VacuumEnvironment.LocationState.Clean);
tve.addAgent(agent, VacuumEnvironment.LOCATION_A);
tve.addEnvironmentView(new EnvironmentViewActionTracker(envChanges));
tve.step(8);