Short-circuit failures in BLE js tests

chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js

Index: chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js
diff --git a/chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js b/chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js
index fad86d8054b402209ac6bfbc1577c4a3046473f1..a4c9a7a8753fb7e66b3c0e7b974ebf396701719b 100644
--- a/chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js
+++ b/chrome/test/data/extensions/api_test/bluetooth_low_energy/start_stop_notifications/runtest.js
@@ -23,32 +23,22 @@ var ble = chrome.bluetoothLowEnergy;
 var start = ble.startCharacteristicNotifications;
 var stop = ble.stopCharacteristicNotifications;
 
-function sendReady(errorMessage) {
-  chrome.test.sendMessage('ready', function (message) {
-    if (errorMessage) {
-      chrome.test.fail(errorMessage);
-      return;
-    }
-
-    chrome.test.runTests([testStartStopNotifications]);
-  });
-}
-
 function expectError(expectedMessage) {
   if (!chrome.runtime.lastError) {
-    sendReady('Expected error: ' + expectedMessage);
+    chrome.test.sendMessage('Expected error: ' + expectedMessage);
     return;
   }
 
   if (chrome.runtime.lastError.message != expectedMessage) {
-    sendReady('Expected error: ' + expectedMessage + ', got error: ' +
-              expectedMessage);
+    chrome.test.sendMessage('Expected error: ' + expectedMessage
+        + ', got error: ' + expectedMessage);
   }
 }
 
 function expectSuccess() {
   if (chrome.runtime.lastError) {
-    sendReady('Unexpected error: ' + chrome.runtime.lastError.message);
+    chrome.test.sendMessage('Unexpected error: '
+        + chrome.runtime.lastError.message);
   }
 }
 
@@ -76,7 +66,9 @@ start('foo', function () {
                   expectError(errorNotNotifying);
                   stop(charId2, function () {
                     expectError(errorNotNotifying);
-                    sendReady(undefined);
+                    chrome.test.sendMessage('ready', function (message) {
+                      chrome.test.runTests([testStartStopNotifications]);
+                    });
                   });
                 });
               });