diff --git a/tests/manager/models/test_image.py b/tests/manager/models/test_image.py
index b956ce5638..4616b85f1e 100644
--- a/tests/manager/models/test_image.py
+++ b/tests/manager/models/test_image.py
@@ -97,6 +97,7 @@ def get_graphquery_context(
                 "get_token": {"token": "fake-token"},
                 "get_catalog": {
                     "repositories": [
+                        "error/repo",  # error should be skipped
                         "lablup/python",
                         "other/dangling-image1",
                         "other/dangling-image2",
@@ -236,37 +237,44 @@ def setup_dockerhub_mocking(mocked):
         repositories = mock_dockerhub_responses["get_catalog"]["repositories"]
 
         for repo in repositories:
-            # tags
-            mock_value = mock_dockerhub_responses["get_tags"]
-            params = {
-                "status": 200,
-                "callback" if isinstance(mock_value, Callable) else "payload": mock_value,
-            }
+            # error/repo should be skipped
+            if repo == "error/repo":
+                mocked.get(
+                    f"{registry_url}/v2/{repo}/tags/list?n=10",
+                    exception=Exception("Simulated fetch_repositories error"),
+                )
+            else:
+                # tags
+                mock_value = mock_dockerhub_responses["get_tags"]
+                params = {
+                    "status": 200,
+                    "callback" if isinstance(mock_value, Callable) else "payload": mock_value,
+                }
 
-            mocked.get(f"{registry_url}/v2/{repo}/tags/list?n=10", **params)
+                mocked.get(f"{registry_url}/v2/{repo}/tags/list?n=10", **params)
 
-            # manifest
-            mocked.get(
-                f"{registry_url}/v2/{repo}/manifests/latest",
-                status=200,
-                payload=mock_dockerhub_responses["get_manifest"],
-                headers={
-                    "Content-Type": "application/vnd.docker.distribution.manifest.v2+json",
-                },
-                repeat=True,
-            )
+                # manifest
+                mocked.get(
+                    f"{registry_url}/v2/{repo}/manifests/latest",
+                    status=200,
+                    payload=mock_dockerhub_responses["get_manifest"],
+                    headers={
+                        "Content-Type": "application/vnd.docker.distribution.manifest.v2+json",
+                    },
+                    repeat=True,
+                )
 
-            config_data = mock_dockerhub_responses["get_manifest"]["config"]
-            image_digest = config_data["digest"]
+                config_data = mock_dockerhub_responses["get_manifest"]["config"]
+                image_digest = config_data["digest"]
 
-            # config blob (JSON)
-            mocked.get(
-                f"{registry_url}/v2/{repo}/blobs/{image_digest}",
-                status=200,
-                body=json.dumps(mock_dockerhub_responses["get_config"]).encode("utf-8"),
-                payload=mock_dockerhub_responses["get_config"],
-                repeat=True,
-            )
+                # config blob (JSON)
+                mocked.get(
+                    f"{registry_url}/v2/{repo}/blobs/{image_digest}",
+                    status=200,
+                    body=json.dumps(mock_dockerhub_responses["get_config"]).encode("utf-8"),
+                    payload=mock_dockerhub_responses["get_config"],
+                    repeat=True,
+                )
 
     with aioresponses() as mocked:
         setup_dockerhub_mocking(mocked)