Fix failing test

For some reason, update webpack causes the promise to no longer
complete by the next tick. Change the test to not depend on how
fast the promise goes through.

test/components/structures/RoomView-test.js

@@ -60,14 +60,13 @@ describe('RoomView', function () {
         peg.get().getProfileInfo.returns(q({displayname: "foo"}));
         var roomView = ReactDOM.render(<RoomView roomAddress="#alias:ser.ver" />, parentDiv);
 
-        peg.get().joinRoom = sinon.spy();
+        peg.get().joinRoom = function(x) {
+            expect(x).toEqual('#alias:ser.ver');
+            done();
+        }
 
         process.nextTick(function() {
             roomView.onJoinButtonClicked();
-            process.nextTick(function() {
-                expect(peg.get().joinRoom.calledWith('#alias:ser.ver')).toExist();
-                done();
-            });
         });
     });
 });