Warm up cache to ensure that assertNumQueries assertions are consistent when tests are run in isolation

wagtail/admin/tests/pages/test_edit_page.py

@@ -1698,6 +1698,10 @@ class TestPageEdit(TestCase, WagtailTestUtils):
         )
 
     def test_page_edit_num_queries(self):
+        # Warm up cache so that result is the same when running this test in isolation
+        # as when running it within the full test suite
+        self.client.get(reverse("wagtailadmin_pages:edit", args=(self.event_page.id,)))
+
         with self.assertNumQueries(40):
             self.client.get(
                 reverse("wagtailadmin_pages:edit", args=(self.event_page.id,))

wagtail/images/tests/test_admin_views.py

@@ -322,6 +322,10 @@ class TestImageIndexView(TestCase, WagtailTestUtils):
         )
 
     def test_num_queries(self):
+        # Warm up cache so that result is the same when running this test in isolation
+        # as when running it within the full test suite.
+        self.get()
+
         # Initial number of queries.
         with self.assertNumQueries(13):
             self.get()