diff --git a/tests/redirects/googlesyndication-adsbygoogle.test.js b/tests/redirects/googlesyndication-adsbygoogle.test.js
index 81fe9769..72f6dc2f 100644
--- a/tests/redirects/googlesyndication-adsbygoogle.test.js
+++ b/tests/redirects/googlesyndication-adsbygoogle.test.js
@@ -71,19 +71,14 @@ test('Redirect testing', (assert) => {
     assert.strictEqual(window.adsbygoogle.push.length, 1, 'push.length check');
     const pushCallback = (arg) => {
         try {
-            let check = false;
-            if (arg) {
-                check = true;
-            }
             // Test for https://github.com/AdguardTeam/Scriptlets/issues/252
             // If arg is not defined then error will be thrown
             if (arg.whatever) {
                 arg.whatever = 1;
             }
-            assert.strictEqual(check, true, 'callback was called');
+            assert.ok(typeof arg !== 'undefined', 'arg is defined');
         } catch (error) {
-            const check = false;
-            assert.strictEqual(check, true, 'something went wrong');
+            assert.ok(false, 'something went wrong');
         }
     };
     const pushArg = {