Add a schema 2 push pull verification test

test/registry/registry_tests.py

@@ -1629,3 +1629,23 @@ def test_squashed_image_manifest_list(v22_protocol, basic_images, liveserver_ses
                     '%s/layer.tar' % expected_image_id]
 
   assert tar.getnames() == expected_names
+
+
+def test_verify_schema2(v22_protocol, basic_images, liveserver_session, liveserver,
+                        app_reloader, data_model):
+  """ Test: Ensure that pushing of schema 2 manifests results in a pull of a schema2 manifest. """
+  credentials = ('devtable', 'password')
+  if data_model != 'oci_model':
+    return
+
+  credentials = ('devtable', 'password')
+
+  # Push a new repository.
+  v22_protocol.push(liveserver_session, 'devtable', 'newrepo', 'latest', basic_images,
+                    credentials=credentials)
+
+  # Pull the repository to verify.
+  result = v22_protocol.pull(liveserver_session, 'devtable', 'newrepo', 'latest', basic_images,
+                             credentials=credentials)
+  manifest = result.manifests['latest']
+  assert manifest.schema_version == 2