diff --git a/testing/tests/developing.spec.js b/testing/tests/developing.spec.js
index ded6dbf4abbe..4f6b1401cf10 100644
--- a/testing/tests/developing.spec.js
+++ b/testing/tests/developing.spec.js
@@ -70,7 +70,7 @@ test.describe("Testing the kitchensink page", () => {
     ).json();
 
     expect(doc.title).toBe("The MDN Content Kitchensink");
-    expect(Object.keys(doc.flaws).length).toBe(0);
+    expect(doc.flaws).toEqual({});
   });
 
   // XXX Do more advanced tasks that test the server and document "CRUD operations"
diff --git a/testing/tests/index.test.js b/testing/tests/index.test.js
index a70d612466c3..b6b41d2e45ab 100644
--- a/testing/tests/index.test.js
+++ b/testing/tests/index.test.js
@@ -1395,7 +1395,7 @@ test("img tags without 'src' should not crash", () => {
   );
   const jsonFile = path.join(builtFolder, "index.json");
   const { doc } = JSON.parse(fs.readFileSync(jsonFile));
-  expect(Object.keys(doc.flaws).length).toBe(0);
+  expect(doc.flaws).toEqual({});
 });
 
 test("/Web/Embeddable should have 3 valid live samples", () => {
@@ -1413,7 +1413,7 @@ test("/Web/Embeddable should have 3 valid live samples", () => {
 
   const jsonFile = path.join(builtFolder, "index.json");
   const { doc } = JSON.parse(fs.readFileSync(jsonFile));
-  expect(Object.keys(doc.flaws).length).toBe(0);
+  expect(doc.flaws).toEqual({});
 
   const builtFiles = fs.readdirSync(path.join(builtFolder));
   expect(