tests: Remove 'volume service set' functional test

This test disables a cinder and never re-enables it,
so it can race with other tests running in parallel,
which is the concern raised in review [1].
Since v2 API was removed in Xena,
It would be better to delete than to modify it

[1] https://review.opendev.org/c/openstack/python-openstackclient/+/957586

Change-Id: If65ca0cf09e6d41a4eec602556e23fc489802d0b
Signed-off-by: Park Kyumin <gmpark007@gmail.com>

Author: Dobby19

openstackclient/tests/functional/volume/v2/test_service.py

@@ -38,45 +38,3 @@ def test_volume_service_list(self):
         )
         for x in cmd_output:
             self.assertIn(hosts[0], x['Host'])
-
-    def test_volume_service_set(self):
-        # Get a service and host
-        cmd_output = self.openstack(
-            'volume service list',
-            parse_output=True,
-        )
-        service_1 = cmd_output[0]['Binary']
-        host_1 = cmd_output[0]['Host']
-
-        # Test volume service set --enable
-        raw_output = self.openstack(
-            'volume service set --enable ' + host_1 + ' ' + service_1
-        )
-        self.assertOutput('', raw_output)
-
-        cmd_output = self.openstack(
-            'volume service list --long',
-            parse_output=True,
-        )
-        self.assertEqual('enabled', cmd_output[0]['Status'])
-        self.assertIsNone(cmd_output[0]['Disabled Reason'])
-
-        # Test volume service set --disable and --disable-reason
-        disable_reason = 'disable_reason'
-        raw_output = self.openstack(
-            'volume service set --disable '
-            + '--disable-reason '
-            + disable_reason
-            + ' '
-            + host_1
-            + ' '
-            + service_1
-        )
-        self.assertOutput('', raw_output)
-
-        cmd_output = self.openstack(
-            'volume service list --long',
-            parse_output=True,
-        )
-        self.assertEqual('disabled', cmd_output[0]['Status'])
-        self.assertEqual(disable_reason, cmd_output[0]['Disabled Reason'])