Exit should wait for stdout (nodejs/node-v0.x-archive#1669).

Author: RReverser

test/run.js

@@ -13,8 +13,11 @@ driver.runTests(report);
 console.log(testsRun + " tests run in " + (+new Date - t0) + "ms");
 
 if (failed) {
+  process.stdout.once('drain', function () {
+    process.exit(1);
+  });
+
   console.log(failed + " failures.");
-  process.exit(1);
+} else {
+  console.log("All passed.");
 }
-
-console.log("All passed.");