Patch openstack cennection with MagicMock, fix tests, remove duplicated test files

1 job from unit_tests in 39 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #1121
unittest

00:39

 
Test unittest
    from interface_openstack.interface.storage.volume import Volume
ModuleNotFoundError: No module named 'interface_openstack'


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Ran 4 tests in 0.001s

FAILED (errors=4)
ERROR: Job failed: exit code 1