Merge pull request #2408 from onozuka/remove-runtime-deploy-event

UI-test: fix memory leak. runtime-deploy event in deploy()

test/editor/pageobjects/editor/workspace_page.js

@@ -69,6 +69,7 @@ function deploy() {
         return when.promise(function(resolve, reject) {
             events.on("runtime-event", function(event) {
                 if (event.id === 'runtime-deploy') {
+                    events.removeListener("runtime-event", arguments.callee);
                     resolve();
                 }
             });