Short-circuit failures in BLE js tests

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

Index: chrome/test/data/extensions/api_test/bluetooth_low_energy/get_descriptor/runtest.js
diff --git a/chrome/test/data/extensions/api_test/bluetooth_low_energy/get_descriptor/runtest.js b/chrome/test/data/extensions/api_test/bluetooth_low_energy/get_descriptor/runtest.js
index 49418e4926f681b302a4331bffe07574ded54c1c..17712bad3d010e7323df9a9591dc4b937c460c77 100644
--- a/chrome/test/data/extensions/api_test/bluetooth_low_energy/get_descriptor/runtest.js
+++ b/chrome/test/data/extensions/api_test/bluetooth_low_energy/get_descriptor/runtest.js
@@ -30,39 +30,40 @@ var descriptor = null;
 // 1. Unknown descriptor instanceId.
 getDescriptor(badDescId, function (result) {
   if (result || !chrome.runtime.lastError) {
-    chrome.test.fail('getDescriptor should have failed for \'badDescId\'');
+    chrome.test.sendMessage('getDescriptor should have failed ' +
+        'for \'badDescId\'');
   }
 
   // 2. Known descriptor instanceId, but the mapped device is unknown.
   getDescriptor(descId, function (result) {
     if (result || !chrome.runtime.lastError) {
-      chrome.test.fail('getDescriptor should have failed');
+      chrome.test.sendMessage('getDescriptor should have failed');
     }
 
     // 3. Known descriptor instanceId, but the mapped service is unknown.
     getDescriptor(descId, function (result) {
       if (result || !chrome.runtime.lastError) {
-        chrome.test.fail('getDescriptor should have failed');
+        chrome.test.sendMessage('getDescriptor should have failed');
       }
 
       // 4. Known descriptor instanceId, but the mapped characteristic is
       // unknown.
       getDescriptor(descId, function (result) {
         if (result || !chrome.runtime.lastError) {
-          chrome.test.fail('getDescriptor should have failed');
+          chrome.test.sendMessage('getDescriptor should have failed');
         }
 
         // 5. Known descriptor instanceId, but the mapped the characteristic
         // does not know about the descriptor.
         getDescriptor(descId, function (result) {
           if (result || !chrome.runtime.lastError) {
-            chrome.test.fail('getDescriptor should have failed');
+            chrome.test.sendMessage('getDescriptor should have failed');
           }
 
           // 6. Success.
           getDescriptor(descId, function (result) {
             if (chrome.runtime.lastError) {
-              chrome.test.fail(chrome.runtime.lastError.message);
+              chrome.test.sendMessage(chrome.runtime.lastError.message);
             }
 
             descriptor = result;