Fix a flaw in a test-case, and add a bug link to the suppression for that test-case (it still doesn't work).

Differential Revision: https://phabricator.services.mozilla.com/D28876

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1546408
gecko-commit: 94a8d41c171d0523eff5bdb26b3913992240c98b
gecko-integration-branch: autoland
gecko-reviewers: jib
diff --git a/webrtc/protocol/simulcast-answer.html b/webrtc/protocol/simulcast-answer.html
index b5e8792..4b84803 100644
--- a/webrtc/protocol/simulcast-answer.html
+++ b/webrtc/protocol/simulcast-answer.html
@@ -36,9 +36,9 @@
 a=rtcp-fb:96 goog-remb
 a=rtcp-fb:96 transport-cc
 a=rtcp-fb:96 ccm fir
-a=rid:foo send
-a=rid:bar send
-a=rid:baz send
+a=rid:foo recv
+a=rid:bar recv
+a=rid:baz recv
 a=simulcast:recv foo;bar;baz
 `;