New test case: "test_remove_security_group_negative" 1) Remove non existing security group from instance 2) Remove not associated security group from instance Expected result: "404 NotFound" Error for both cases. Polarion IDs: RHOSP7-3461, RHOSP7-3460 (760191)

New test case: "test_remove_security_group_negative" 1) Remove non existing security group from instance 2) Remove not associated security group from instance Expected result: "404 NotFound" Error for both cases. Polarion IDs: RHOSP7-3461, RHOSP7-3460 (760191) · Gerrit Code Review