tve.step(); // moves to location A
Assert.assertEquals(VacuumEnvironment.LOCATION_A,
tve.getAgentLocation(agent));
Assert.assertEquals(VacuumEnvironment.LocationState.Clean,
tve.getLocationState(VacuumEnvironment.LOCATION_A));
tve.step(); // NOOP
Assert.assertEquals(VacuumEnvironment.LOCATION_A,
tve.getAgentLocation(agent));
Assert.assertEquals(VacuumEnvironment.LocationState.Clean,
tve.getLocationState(VacuumEnvironment.LOCATION_A));
Assert.assertEquals(VacuumEnvironment.LocationState.Clean,