test(gitlab): cover final 3 lines for 100% diff coverage

Add tests for: no-IID URL, no-project-path URL, and reverse
work_items/issues URL variant lookup.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: asaphko

api/tests/unit/integrations/gitlab/test_unit_gitlab_services.py

@@ -265,6 +265,39 @@ def test_tag_feature_per_gitlab_event__work_items_url_variant__finds_feature(
     assert gitlab_tags.first().label == GitLabTag.ISSUE_CLOSED.value  # type: ignore[union-attr]
 
 
+@pytest.mark.django_db
+def test_tag_feature_per_gitlab_event__issues_url_stored_work_items_webhook__finds_feature(
+    project: Project,
+    feature: Feature,
+    gitlab_configuration: GitLabConfiguration,
+) -> None:
+    # Given — resource stored as issues URL
+    FeatureExternalResource.objects.create(
+        url="https://gitlab.example.com/testgroup/testrepo/-/issues/5",
+        type=ResourceType.GITLAB_ISSUE,
+        feature=feature,
+        metadata='{"state": "opened"}',
+    )
+    # Webhook sends work_items URL
+    payload = {
+        "object_kind": "issue",
+        "project": {"path_with_namespace": "testgroup/testrepo"},
+        "object_attributes": {
+            "action": "close",
+            "url": "https://gitlab.example.com/testgroup/testrepo/-/work_items/5",
+        },
+    }
+
+    # When
+    handle_gitlab_webhook_event(event_type="issue", payload=payload)
+
+    # Then
+    feature.refresh_from_db()
+    gitlab_tags = feature.tags.filter(type=TagType.GITLAB.value)
+    assert gitlab_tags.count() == 1
+    assert gitlab_tags.first().label == GitLabTag.ISSUE_CLOSED.value  # type: ignore[union-attr]
+
+
 @pytest.mark.django_db
 def test_dispatch_gitlab_comment__valid_feature__dispatches_task(
     project: Project,

api/tests/unit/integrations/gitlab/test_unit_gitlab_tasks.py

@@ -35,8 +35,16 @@
             "https://gitlab.example.com/unknown/path/to/resource",
             None,
         ),
+        (
+            "https://gitlab.example.com/group/project/-/issues/",
+            None,
+        ),
+        (
+            "https://gitlab.example.com/-/issues/5",
+            None,
+        ),
     ],
-    ids=["mr", "issue", "work-item", "nested-group", "unknown-format"],
+    ids=["mr", "issue", "work-item", "nested-group", "unknown-format", "no-iid", "no-project-path"],
 )
 def test_parse_resource_url__various_urls__returns_correct_tuple(
     url: str,