The latency limit was a bit too close for Travis as well

test/audio.js

@@ -45,7 +45,7 @@ describe( 'MumbleConnection', function() {
                 // Delay is affected by the server location relative to test
                 // runner. In Travis' case the runner is most likely in the US
                 // while the test server is in Europe.
-                delay.should.be.below( 200 );
+                delay.should.be.below( 300 );
                 done();
             });
         });