Adds service_providers client tests

Adds tests for Tempest service_providers client.

Change-Id: I7044b1b80cdb5cf61dadabc327f13bb046b510a6
Closes-Bug: #1697130

patrole_tempest_plugin/tests/api/network/test_service_providers_rbac.py

@@ -0,0 +1,29 @@
+# Copyright 2017 AT&T Corporation.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.lib import decorators
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.tests.api.network import rbac_base as base
+
+
+class ServiceProvidersRbacTest(base.BaseNetworkRbacTest):
+
+    @rbac_rule_validation.action(service="neutron",
+                                 rule="get_service_provider")
+    @decorators.idempotent_id('15f573b7-474a-4b37-8629-7fac86553ce5')
+    def test_list_service_providers(self):
+        self.rbac_utils.switch_role(self, toggle_rbac_role=True)
+        self.service_providers_client.list_service_providers()

releasenotes/notes/service-provider-bc71da578e717c3a.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Adds test for Neutron's get_service_provider policy.