fix: test cases

Author: sangeethailango

tests/unit/test_work_items.py

@@ -43,14 +43,28 @@ def test_list_work_items_with_pql_filter(
                 priority="high",
             ),
         )
+
+        created_item_2 = client.work_items.create(
+            workspace_slug,
+            project.id,
+            CreateWorkItem(
+                name="pql-filter-low-priority-item",
+                priority="low",
+            ),
+        )
         params = WorkItemQueryParams(pql='priority IN ("high")')
         response = client.work_items.list(workspace_slug, project.id, params=params)
         assert response is not None
         assert hasattr(response, "results")
         assert isinstance(response.results, list)
         assert len(response.results) > 0
         result_ids = [item.id for item in response.results]
+
         assert created_item.id in result_ids
+        assert created_item_2.id not in result_ids
+
+        client.work_items.delete(workspace_slug, project.id, created_item.id)
+        client.work_items.delete(workspace_slug, project.id, created_item_2.id)
 
     def test_search_work_items(self, client: PlaneClient, workspace_slug: str) -> None:
         """Test searching work items."""