[WIPTEST] add websocket for 5.9 testing

[jarovo]

Purpose or Intent

There are failures like this (on CFME 5.10)

cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_approval[ec2-approve]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_approval[ec2-deny]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_approval[ec2-edit]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_from_template[ec2-Auto]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_from_template[ec2-Manual]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_from_template_from_global_region[ec2]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_from_template_using_rest[ec2-Auto]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_from_template_using_rest[ec2-Manual]
cfme/tests/cloud_infra_common/test_provisioning.py/test_provision_with_tag[ec2]
cfme/tests/control/test_compliance.py/test_compliance_instance[cloud]
cfme/tests/infrastructure/test_provisioning_dialog.py/test_provisioning_schedule[ec2]
cfme/tests/infrastructure/test_provisioning_dialog.py/test_tag[ec2]
cfme/tests/services/test_cloud_service_catalogs.py/test_cloud_catalog_item[ec2]
cfme/tests/services/test_provision_stack.py/test_provision_stack[ec2]
cfme/tests/services/test_provision_stack.py/test_read_dialog_timeout_ec2_stack[ec2]
cfme/tests/services/test_provision_stack.py/test_reconfigure_service[ec2]
cfme/tests/services/test_provision_stack.py/test_remove_read_only_orch_template_neg[ec2]
cfme/tests/services/test_provision_stack.py/test_retire_catalog_bundle_service_orchestration_item[ec2]
cfme/tests/services/test_provision_stack.py/test_retire_stack[ec2]
cfme/tests/ssui/test_ssui_myservice.py/test_myservice_crud[ec2-ViaSSUI]
cfme/tests/ssui/test_ssui_myservice.py/test_retire_service_ssui[ec2-ViaSSUI]
cfme/tests/ssui/test_ssui_myservice.py/test_service_start[ec2-ViaSSUI]
cfme/tests/ssui/test_ssui_service_catalogs.py/test_service_catalog_crud_ssui[ec2-ViaSSUI]
cfme/tests/v2v/test_v2v_ansible.py/test_migration_playbooks[openstack-13-virtualcenter-nfs-nfs-rhel7_minimal]
cfme/tests/v2v/test_v2v_ansible.py/test_migration_playbooks[rhevm-4.3-virtualcenter-nfs-nfs-rhel7_minimal]

item = <Function test_provisioning_schedule[ec2]>

    @pytest.hookimpl(hookwrapper=True, tryfirst=True)
    def pytest_runtest_setup(item):
        """Pytest hook ensuring that failures caused by NotImplementedError show up as skips instead"""
        outcome = yield
        try:
>           outcome.get_result()

cfme/fixtures/skip_not_implemented.py:9: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
cfme/markers/meta.py:167: in pytest_runtest_setup
    run_plugins(item, plugin.SETUP)
cfme/markers/meta.py:160: in run_plugins
    plug.function(**env)
/var/ci/cfme_venv3/lib64/python3.7/site-packages/kwargify.py:39: in wrapper
    return call_target(*pass_args)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

item = <Function test_provisioning_schedule[ec2]>, server_roles = ['+automate']
server_roles_mode = 'add'

    @plugin("server_roles", keys=["server_roles"])  # Could be omitted but I want to keep it clear
    @plugin("server_roles", keys=["server_roles", "server_roles_mode"])
    def add_server_roles(item, server_roles, server_roles_mode="add"):
        # Disable all server roles
        # and then figure out which ones should be enabled
        from cfme.utils.appliance import find_appliance
        current_appliance = find_appliance(item)
        server_settings = current_appliance.server.settings
        roles_with_vals = {k: False for k in available_roles}
        if server_roles is None:
            # Only user interface
            roles_with_vals['user_interface'] = True
        elif server_roles == "default":
            # The ones specified in YAML
            roles_list = cfme_data["server_roles"]["sets"]["default"]
            roles_with_vals.update({k: True for k in roles_list})
        elif server_roles_mode == "add":
            # The ones that are already enabled and enable/disable the ones specified
            # -server_role, +server_role or server_role
            roles_with_vals = server_settings.server_roles_db
            if isinstance(server_roles, str):
                server_roles = server_roles.split(' ')
            for role in server_roles:
                if role.startswith('-'):
                    roles_with_vals[role[1:]] = False
                elif role.startswith('+'):
                    roles_with_vals[role[1:]] = True
                else:
                    roles_with_vals[role] = True
        elif server_roles_mode == "cfmedata":
            roles_list = cfme_data
            # Drills down into cfme_data YAML by selector, expecting a list
            # of roles at the end. A KeyError here probably means the YAML
            # selector is wrong
            for selector in server_roles:
                roles_list = roles_list[selector]
            roles_with_vals.update({k: True for k in roles_list})
        else:
            raise Exception('No server role changes defined.')
    
        if not available_roles.issuperset(set(roles_with_vals)):
            unknown_roles = ', '.join(set(roles_with_vals) - available_roles)
>           raise Exception(f'Unknown server role(s): {unknown_roles}')
E           Exception: Unknown server role(s): websocket

cfme/metaplugins/server_roles.py:94: Exception

PRT Run

{{pytest: --sprout-group downstream-510 cfme/tests/infrastructure/test_provisioning_dialog.py::test_provisioning_schedule -v}}