Deprecate `volume_image_dep_tests`

We alignment with tempest configuration settings
'enable_volume_image_dep_tests'
To keep requirements.txt lower bound up to dated, this bumping
the Tempest version to 40.0.0 which include the image dependency
configuration
- https://review.opendev.org/c/openstack/tempest/+/914198

Change-Id: I6f219122bfe1ba1d3851a5954cb9ffc6e04ad69c
diff --git a/cinder_tempest_plugin/api/volume/test_volume_dependency.py b/cinder_tempest_plugin/api/volume/test_volume_dependency.py
index 5ea067f..0b0cc8e 100644
--- a/cinder_tempest_plugin/api/volume/test_volume_dependency.py
+++ b/cinder_tempest_plugin/api/volume/test_volume_dependency.py
@@ -147,8 +147,9 @@
         images_client.delete_image(image_id)
         images_client.wait_for_resource_deletion(image_id)
 
-    @testtools.skipUnless(CONF.volume_feature_enabled.volume_image_dep_tests,
-                          reason='Volume/image dependency tests not enabled.')
+    @testtools.skipUnless(
+        CONF.volume_feature_enabled.enable_volume_image_dep_tests,
+        reason='Volume/image dependency tests not enabled.')
     @utils.services('image', 'volume')
     @decorators.idempotent_id('7a9fba78-2e4b-42b1-9898-bb4a60685320')
     def test_image_volume_dependencies_1(self):
@@ -174,8 +175,9 @@
 
         self.del_image(image['id'])
 
-    @testtools.skipUnless(CONF.volume_feature_enabled.volume_image_dep_tests,
-                          reason='Volume/image dependency tests not enabled.')
+    @testtools.skipUnless(
+        CONF.volume_feature_enabled.enable_volume_image_dep_tests,
+        reason='Volume/image dependency tests not enabled.')
     @utils.services('image', 'volume')
     @decorators.idempotent_id('0e20bd6e-440f-41d8-9b5d-fc047ac00423')
     def test_image_volume_dependencies_2(self):
@@ -210,8 +212,9 @@
 
         self.del_image(image['id'])
 
-    @testtools.skipUnless(CONF.volume_feature_enabled.volume_image_dep_tests,
-                          reason='Volume/image dependency tests not enabled.')
+    @testtools.skipUnless(
+        CONF.volume_feature_enabled.enable_volume_image_dep_tests,
+        reason='Volume/image dependency tests not enabled.')
     @decorators.idempotent_id('e6050452-06bd-4c7f-9912-45178c83e379')
     @utils.services('image', 'volume')
     def test_image_volume_dependencies_3(self):
diff --git a/cinder_tempest_plugin/config.py b/cinder_tempest_plugin/config.py
index 53222b8..3d5eb0e 100644
--- a/cinder_tempest_plugin/config.py
+++ b/cinder_tempest_plugin/config.py
@@ -24,7 +24,13 @@
                 help='Enable to run Cinder volume revert tests'),
     cfg.BoolOpt('volume_image_dep_tests',
                 default=True,
-                help='Run tests for dependencies between images and volumes')
+                help='Run tests for dependencies between images and volumes',
+                deprecated_for_removal=True,
+                deprecated_reason='Dependency test config setting '
+                '`volume_image_dep_tests` '
+                'in cinder-tempest-plugin is deprecated.Alternatively '
+                '`CONF.volume_feature_enabled.enable_volume_image_dep_tests` '
+                'can be used for dependency tests.')
 ]
 
 # The barbican service is discovered by config_tempest [1], and will appear
diff --git a/cinder_tempest_plugin/scenario/test_snapshots.py b/cinder_tempest_plugin/scenario/test_snapshots.py
index 02cd6bd..7b8191b 100644
--- a/cinder_tempest_plugin/scenario/test_snapshots.py
+++ b/cinder_tempest_plugin/scenario/test_snapshots.py
@@ -130,8 +130,9 @@
 
 
 class SnapshotDependencyTests(manager.ScenarioTest):
-    @testtools.skipUnless(CONF.volume_feature_enabled.volume_image_dep_tests,
-                          'dependency tests not enabled')
+    @testtools.skipUnless(
+        CONF.volume_feature_enabled.enable_volume_image_dep_tests,
+        'dependency tests not enabled')
     @decorators.idempotent_id('e7028f52-f6d4-479c-8809-6f6cf96cfe0f')
     @utils.services('image', 'volume')
     def test_snapshot_removal(self):
diff --git a/releasenotes/notes/cinder-tempest-plugin-volume_image_dep_tests-ba46faab68dfb799.yaml b/releasenotes/notes/cinder-tempest-plugin-volume_image_dep_tests-ba46faab68dfb799.yaml
new file mode 100644
index 0000000..9390dd9
--- /dev/null
+++ b/releasenotes/notes/cinder-tempest-plugin-volume_image_dep_tests-ba46faab68dfb799.yaml
@@ -0,0 +1,6 @@
+deprecations:
+  - |
+    Dependency test config setting 'volume_image_dep_tests'
+    in cinder-tempest-plugin is deprecated.Alternatively tempest
+    `CONF.volume_feature_enabled.enable_volume_image_dep_tests` can be used
+    to for dependency tests.
diff --git a/requirements.txt b/requirements.txt
index c25d1c5..aa631de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslo.config>=5.1.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-tempest>=34.2.0 # Apache-2.0
+tempest>=40.0.0 # Apache-2.0