Fixing a VoE test to set correct rate for iSAC

The test was relying on that the code accepted an invalid rate.
Now the test passes a correct rate instead.

COAUTHOR=kwiberg@webrtc.org
R=henrika@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/33179004

Cr-Commit-Position: refs/heads/master@{#8217}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8217 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/voice_engine/test/auto_test/standard/codec_before_streaming_test.cc b/webrtc/voice_engine/test/auto_test/standard/codec_before_streaming_test.cc
index 66c00d4..a733b12 100644
--- a/webrtc/voice_engine/test/auto_test/standard/codec_before_streaming_test.cc
+++ b/webrtc/voice_engine/test/auto_test/standard/codec_before_streaming_test.cc
@@ -47,6 +47,7 @@
 
 TEST_F(CodecBeforeStreamingTest, SetRecPayloadTypeCanChangeISACPayloadType) {
   strcpy(codec_instance_.plname, "ISAC");
+  codec_instance_.rate = 32000;
 
   codec_instance_.pltype = 123;
   EXPECT_EQ(0, voe_codec_->SetRecPayloadType(channel_, codec_instance_));