Add pretest and empty test script

.travis.yml

@@ -1 +1,7 @@
 language: node_js
+node_js:
+- '0.10'
+before_install:
+- npm install -g typescript@1.0
+script:
+- npm test

package.json

@@ -47,7 +47,9 @@
     "scripts": {
         "vscode:prepublish": "npm run compile",
         "compile": "tsc -p ./",
-        "watch": "tsc -watch -p ./"
+        "watch": "tsc -watch -p ./",
+        "pretest": "npm run compile",
+        "test": ""
     },
     "devDependencies": {
         "typescript": "^3.7.2",