fix(benchpress): benchpress fixes and a smoke test for Dart

scripts/ci/test_server_dart.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+
+echo =============================================================================
+# go to project dir
+SCRIPT_DIR=$(dirname $0)
+source $SCRIPT_DIR/env_dart.sh
+cd $SCRIPT_DIR/../..
+
+./node_modules/.bin/webdriver-manager update
+./node_modules/.bin/webdriver-manager start&
+webdriverServerPid=$!
+ps -ef | grep webdriver-manager
+
+./node_modules/.bin/gulp serve.js.dart2js&
+serverPid=$!
+
+function killAllServers () {
+  kill $serverPid
+  pkill -P $webdriverServerPid
+}
+
+trap killAllServers EXIT
+
+# wait for server to come up!
+sleep 3
+
+./node_modules/.bin/gulp test.transpiler.unittest
+./node_modules/.bin/gulp test.server.dart --browsers=$KARMA_BROWSERS