chore(test): make it easier to run all JS and Dart tests

Performed a slight refactoring of CI scripts to make it easier for
developers to run the **same** tests as those run on Travis. Defined
`npm` scripts `test-js` and `test-dart`. `npm test` now runs the whole
lot.

Closes #966

package.json

@@ -20,8 +20,10 @@
     "url": "https://github.com/angular/angular.git"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "postinstall": "bower install"
+    "test": "npm run test-js && npm run test-dart",
+    "test-js": "./scripts/ci/test_js.sh",
+    "test-dart": "./scripts/ci/test_dart.sh",
+    "postinstall": "./node_modules/.bin/bower install"
   },
   "dependencies": {
     "es6-module-loader": "^0.9.2",

scripts/ci/build_and_test.sh

@@ -9,8 +9,4 @@ SCRIPT_DIR=$(dirname $0)
 cd $SCRIPT_DIR/../..
 
 ${SCRIPT_DIR}/build_$MODE.sh
-${SCRIPT_DIR}/test_unit_$MODE.sh
-if [ "$MODE" == "dart" ]; then # JS doesn't yet have server tests
-  ${SCRIPT_DIR}/test_server_$MODE.sh
-fi
-${SCRIPT_DIR}/test_e2e_$MODE.sh
+${SCRIPT_DIR}/test_$MODE.sh

scripts/ci/test_dart.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+echo =============================================================================
+# go to project dir
+SCRIPT_DIR=$(dirname $0)
+cd $SCRIPT_DIR/../..
+
+${SCRIPT_DIR}/test_unit_dart.sh
+${SCRIPT_DIR}/test_server_dart.sh
+${SCRIPT_DIR}/test_e2e_dart.sh

scripts/ci/test_e2e_dart.sh

@@ -21,4 +21,4 @@ trap killServer EXIT
 # wait for server to come up!
 sleep 10
 
-./node_modules/.bin/protractor protractor-dart2js.conf.js --browsers=$E2E_BROWSERS
+./node_modules/.bin/protractor protractor-dart2js.conf.js --browsers=${E2E_BROWSERS:-Dartium}

scripts/ci/test_e2e_js.sh

@@ -21,4 +21,4 @@ trap killServer EXIT
 # wait for server to come up!
 sleep 10
 
-./node_modules/.bin/protractor protractor-js.conf.js --browsers=$E2E_BROWSERS
+./node_modules/.bin/protractor protractor-js.conf.js --browsers=${E2E_BROWSERS:-Dartium}

scripts/ci/test_js.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+echo =============================================================================
+# go to project dir
+SCRIPT_DIR=$(dirname $0)
+cd $SCRIPT_DIR/../..
+
+${SCRIPT_DIR}/test_unit_js.sh
+# ${SCRIPT_DIR}/test_server_js.sh # JS doesn't yet have server tests
+${SCRIPT_DIR}/test_e2e_js.sh