Remove unittest-based wrapping from our testing scripts

pkg/unittest/lib/test_controller.js

Index: pkg/unittest/lib/test_controller.js
diff --git a/pkg/unittest/lib/test_controller.js b/pkg/unittest/lib/test_controller.js
index 7cf66997d92e34f5d54b7e6c3215c32244d0587e..68b83bfe0a33f260a8ec4bcc9285d8c2b7868975 100644
--- a/pkg/unittest/lib/test_controller.js
+++ b/pkg/unittest/lib/test_controller.js
@@ -98,12 +98,17 @@ function processMessage(msg) {
     notifyDone();
   } else if (msg == 'unittest-suite-wait-for-done') {
     waitForDone = true;
-    if (testRunner) testRunner.startedDartTest = true;
+    if (testRunner) {
+      testRunner.startedDartTest = true;
+    }
   } else if (msg == 'dart-calling-main') {
-    if (testRunner) testRunner.startedDartTest = true;
+    if (testRunner) {
+      testRunner.startedDartTest = true;
+    }
   } else if (msg == 'dart-main-done') {
     if (!waitForDone) {
-      window.postMessage('unittest-suite-success', '*');
+      printMessage('PASS');
+      notifyDone();
     }
   } else if (msg == 'unittest-suite-success') {
     printMessage('PASS');