def test_4_StarSensor_ServiceRequest(self):
s = StarSensor(.1)
if (s.serviceRequest() == None):
print('Test 4.1 StarSensor.ServiceRequest(): PASSED: Returned None when null environment object')
else:
print('Test 4.1 StarSensor.ServiceRequest(): FAILED: Didnt return None when null environment object')
e = Environment()
e.setRotationalPeriod(40000000)
s.configure(e)
print(s.serviceRequest())
