first wave of changing constants in tests

tangostationcontrol/tangostationcontrol/common/constants.py

...ol/integration_test/default/client/test_tcp_replicator.py

...egration_test/default/devices/test_device_antennafield.py

...l/integration_test/default/devices/test_device_beamlet.py

...trol/integration_test/default/devices/test_device_boot.py

...tegration_test/default/devices/test_device_digitalbeam.py

...tegration_test/default/devices/test_device_observation.py

...n_test/default/devices/test_device_observation_control.py

...ntrol/integration_test/default/devices/test_device_sdp.py

...n_test/default/devices/test_device_temperature_manager.py

.../integration_test/default/devices/test_device_tilebeam.py

...rol/integration_test/default/devices/test_lofar_device.py

...gostationcontrol/test/devices/test_antennafield_device.py