Avoid error when the puppeeter launch fails

stof · stof · commit 9ca839411b63 · 2026-05-15T17:33:15.000+02:00
The `afterAll` hook runs even after failures, so it cannot assume that
the initialization in `beforeAll` worked.
diff --git a/test/functional.js b/test/functional.js
@@ -126,7 +126,7 @@ describe('Functional tests using webpack', function () {
     });
 
     afterAll(async function () {
-        await browser.close();
+        await browser?.close();
     });
 
     describe('Basic scenarios.', function () {
