Fix tests on Windows (hopefully)

package.json

@@ -58,11 +58,11 @@
     "start-debug": "node --inspect-brk demo/start",
     "start-zmodem": "node demo/zmodem/app",
     "lint": "tslint 'src/**/*.ts' './demo/**/*.ts'",
-    "test": "npm run mocha",
+    "test": "node ./bin/test.js",
     "posttest": "npm run lint",
     "test-coverage": "nyc -x gulpfile.js -x '**/*test*' npm run mocha",
     "test-api": "mocha \"**/*.api.js\"",
-    "mocha": "NODE_PATH=$(pwd)/out gulp test",
+    "mocha": "gulp test",
     "prebuild": "tsc -b ./src/tsconfig.all.json",
     "build": "gulp build",
     "prepare": "npm run prebuild",