Switch to decorators.idempotent_id

test.idempotent_id is being kept temporary to migrate
to new lib interface. Now idempotent_id is available as Tempest stable
interface decorators and all plugins tests using the old decorator
should be switched to new interface.

In future, Once all plugins are switched to new decorator Tempest
will remove the test.idempotent_id

Change-Id: I993fcd22070dca995fb2fb59e876230e8fd0df9e
Related-Bug: 1616913
diff --git a/ironic_tempest_plugin/tests/test_basic.py b/ironic_tempest_plugin/tests/test_basic.py
index 7d9cc72..dd14a40 100644
--- a/ironic_tempest_plugin/tests/test_basic.py
+++ b/ironic_tempest_plugin/tests/test_basic.py
@@ -11,6 +11,7 @@
 #    under the License.
 
 from tempest.config import CONF
+from tempest.lib import decorators
 from tempest import test  # noqa
 
 from ironic_inspector.test.inspector_tempest_plugin.tests import manager
@@ -56,7 +57,7 @@
             timeout=CONF.baremetal.active_timeout,
             interval=self.wait_provisioning_state_interval)
 
-    @test.idempotent_id('03bf7990-bee0-4dd7-bf74-b97ad7b52a4b')
+    @decorators.idempotent_id('03bf7990-bee0-4dd7-bf74-b97ad7b52a4b')
     @test.services('compute', 'image', 'network', 'object_storage')
     def test_baremetal_introspection(self):
         """This smoke test case follows this set of operations:
@@ -109,7 +110,7 @@
         ins, _node = self.boot_instance()
         self.terminate_instance(ins)
 
-    @test.idempotent_id('70ca3070-184b-4b7d-8892-e977d2bc2870')
+    @decorators.idempotent_id('70ca3070-184b-4b7d-8892-e977d2bc2870')
     def test_introspection_abort(self):
         """This smoke test case follows this very basic set of operations:
 
@@ -146,7 +147,7 @@
 
 class InspectorSmokeTest(manager.InspectorScenarioTest):
 
-    @test.idempotent_id('a702d1f1-88e4-42ce-88ef-cba2d9e3312e')
+    @decorators.idempotent_id('a702d1f1-88e4-42ce-88ef-cba2d9e3312e')
     @test.attr(type='smoke')
     @test.services('object_storage')
     def test_baremetal_introspection(self):
diff --git a/ironic_tempest_plugin/tests/test_discovery.py b/ironic_tempest_plugin/tests/test_discovery.py
index 439d6d5..3880f60 100644
--- a/ironic_tempest_plugin/tests/test_discovery.py
+++ b/ironic_tempest_plugin/tests/test_discovery.py
@@ -14,6 +14,7 @@
 
 from ironic_tempest_plugin.tests.scenario import baremetal_manager
 from tempest import config
+from tempest.lib import decorators
 from tempest import test  # noqa
 
 from ironic_inspector.test.inspector_tempest_plugin.tests import manager
@@ -113,7 +114,7 @@
             self.assertEqual(six.text_type(node_info['driver_info'][key]),
                              inspected_node['driver_info'].get(key))
 
-    @test.idempotent_id('dd3abe5e-0d23-488d-bb4e-344cdeff7dcb')
+    @decorators.idempotent_id('dd3abe5e-0d23-488d-bb4e-344cdeff7dcb')
     def test_bearmetal_auto_discovery(self):
         """This test case follows this set of operations: