diff --git a/tests/unit/objects/test_registry_repositories.py b/tests/unit/objects/test_registry_repositories.py
index 61929172b..09b88ab9f 100644
--- a/tests/unit/objects/test_registry_repositories.py
+++ b/tests/unit/objects/test_registry_repositories.py
@@ -1,10 +1,12 @@
 """
 GitLab API: https://docs.gitlab.com/ee/api/container_registry.html
 """
+import re
+
 import pytest
 import responses
 
-from gitlab.v4.objects import ProjectRegistryRepository
+from gitlab.v4.objects import ProjectRegistryRepository, RegistryRepository
 
 repositories_content = [
     {
@@ -29,11 +31,13 @@
 
 
 @pytest.fixture
-def resp_group_registry_repositories():
+def resp_list_registry_repositories():
     with responses.RequestsMock() as rsps:
         rsps.add(
             method=responses.GET,
-            url="http://localhost/api/v4/groups/1/registry/repositories",
+            url=re.compile(
+                r"http://localhost/api/v4/(groups|projects)/1/registry/repositories"
+            ),
             json=repositories_content,
             content_type="application/json",
             status=200,
@@ -41,7 +45,49 @@ def resp_group_registry_repositories():
         yield rsps
 
 
-def test_list_group_registry_repositories(group, resp_group_registry_repositories):
+@pytest.fixture
+def resp_get_registry_repository():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.GET,
+            url="http://localhost/api/v4/registry/repositories/1",
+            json=repositories_content[0],
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
+@pytest.fixture
+def resp_delete_registry_repository(no_content):
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.DELETE,
+            url="http://localhost/api/v4/projects/1/registry/repositories/1",
+            json=no_content,
+            content_type="application/json",
+            status=204,
+        )
+        yield rsps
+
+
+def test_list_group_registry_repositories(group, resp_list_registry_repositories):
     repositories = group.registry_repositories.list()
     assert isinstance(repositories[0], ProjectRegistryRepository)
     assert repositories[0].id == 1
+
+
+def test_list_project_registry_repositories(project, resp_list_registry_repositories):
+    repositories = project.repositories.list()
+    assert isinstance(repositories[0], ProjectRegistryRepository)
+    assert repositories[0].id == 1
+
+
+def test_delete_project_registry_repository(project, resp_delete_registry_repository):
+    project.repositories.delete(1)
+
+
+def test_get_registry_repository(gl, resp_get_registry_repository):
+    repository = gl.registry_repositories.get(1)
+    assert isinstance(repository, RegistryRepository)
+    assert repository.id == 1