diff --git a/tests/src/python/test_provider_wfs.py b/tests/src/python/test_provider_wfs.py
index 18b8bb6389a2..bc385e4f3880 100644
--- a/tests/src/python/test_provider_wfs.py
+++ b/tests/src/python/test_provider_wfs.py
@@ -6417,28 +6417,26 @@ def testFilteredFeatureRequests(self):
         self.assertEqual(other_feat["name"], "Xxx")
 
         qgis_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("\"verified\" is true")))
+            vl.getFeatures(QgsFeatureRequest(QgsExpression('"verified" is true')))
         )
         other_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("\"verified\" is false")))
+            vl.getFeatures(QgsFeatureRequest(QgsExpression('"verified" is false')))
         )
         self.assertEqual(qgis_feat["name"], "Xxx")
         self.assertEqual(other_feat["name"], "qgis")
 
-        qgis_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("\"verified\"")))
-        )
+        qgis_feat = next(vl.getFeatures(QgsFeatureRequest(QgsExpression('"verified"'))))
         other_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("not \"verified\"")))
+            vl.getFeatures(QgsFeatureRequest(QgsExpression('not "verified"')))
         )
         self.assertEqual(qgis_feat["name"], "Xxx")
         self.assertEqual(other_feat["name"], "qgis")
 
         qgis_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("\"verified\" = true")))
+            vl.getFeatures(QgsFeatureRequest(QgsExpression('"verified" = true')))
         )
         other_feat = next(
-            vl.getFeatures(QgsFeatureRequest(QgsExpression("\"verified\" = false")))
+            vl.getFeatures(QgsFeatureRequest(QgsExpression('"verified" = false')))
         )
         self.assertEqual(qgis_feat["name"], "Xxx")
         self.assertEqual(other_feat["name"], "qgis")