chore(bidi): write custom expectations only for timing out tests (#34270)

tests/bidi/expectationReporter.ts

@@ -56,8 +56,7 @@ class ExpectationReporter implements Reporter {
       const outcome = getOutcome(test);
       // Strip root and project names.
       const key = test.titlePath().slice(2).join(' › ');
-      if (!expectations.has(key) || expectations.get(key) === 'unknown' ||
-          (expectations.get(key) === 'fail' && outcome === 'pass'))
+      if (outcome === 'timeout')
         expectations.set(key, outcome);
     }
     const keys = Array.from(expectations.keys());