Instrument CronetUrlRequestTest#testThrowOrCancelInOnCanceled flaky test

components/cronet/android/test/javatests/src/org/chromium/net/BidirectionalStreamTest.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.net;
 
 import static org.chromium.base.CollectionUtil.newHashSet;
 
 import android.os.ConditionVariable;
 import android.test.suitebuilder.annotation.SmallTest;
@@ skipping 182 matching lines @@
         String url = "http://example.com";
         TestBidirectionalStreamCallback callback = new TestBidirectionalStreamCallback();
         // Create stream.
         BidirectionalStream stream =
                 mTestFramework.mCronetEngine
                         .newBidirectionalStreamBuilder(url, callback, callback.getExecutor())
                         .build();
         stream.start();
         callback.blockForDone();
         assertTrue(stream.isDone());
-        assertEquals("Exception in BidirectionalStream: net::ERR_DISALLOWED_URL_SCHEME",
+        assertContains("Exception in BidirectionalStream: net::ERR_DISALLOWED_URL_SCHEME",
                 callback.mError.getMessage());
         assertEquals(-301, callback.mError.getCronetInternalErrorCode());
     }
 
     @SmallTest
     @Feature({"Cronet"})
     @OnlyRunNativeCronet
     public void testSimpleGet() throws Exception {
         // Since this is the first request on the connection, the expected received bytes count
         // must account for an HPACK dynamic table size update.
@@ skipping 1235 matching lines @@
     private static String bufferContentsToString(ByteBuffer byteBuffer, int start, int end) {
         // Use a duplicate to avoid modifying byteBuffer.
         ByteBuffer duplicate = byteBuffer.duplicate();
         duplicate.position(start);
         duplicate.limit(end);
         byte[] contents = new byte[duplicate.remaining()];
         duplicate.get(contents);
         return new String(contents);
     }
 }