SSA-6383: initial commit -- EVLA test data and preliminary tests

shared/__init__.py

shared/workspaces/__init__.py

...paces/test/test_data/location_files/17A-109_fg_18468.json

...paces/test/test_data/location_files/17A-109_fg_41979.json

...workspaces/test/test_data/location_files/CALIBRATION.json

shared/workspaces/test/test_data/location_files/EMPTY.json

shared/workspaces/test/test_data/location_files/IMG.json

...ed/workspaces/test/test_data/location_files/NOT_JSON.json

...kspaces/test/test_data/location_files/VLA_BAD_SERVER.json

...orkspaces/test/test_data/location_files/VLA_LARGE_EB.json

...orkspaces/test/test_data/location_files/VLA_SMALL_EB.json

...es/test/test_data/location_files/VLA_SMALL_EB_BUSTED.json

shared/workspaces/test/test_data/location_files/VLBA_EB.json

shared/workspaces/test/test_data/products/__init__.py

...orkspaces/test/test_data/products/expected_values_alma.py

...orkspaces/test/test_data/products/expected_values_evla.py

shared/workspaces/test/test_expected_values.py

shared/workspaces/test/utilities.py