Fix unit tests for mac/linux, remove -suite and -debug scripts

package.json

@@ -60,11 +60,9 @@
     "lint": "tslint 'src/**/*.ts' './demo/**/*.ts'",
     "test": "npm run mocha",
     "posttest": "npm run lint",
-    "test-debug": "node --inspect-brk node_modules/.bin/gulp test",
-    "test-suite": "gulp mocha-suite --test",
     "test-coverage": "nyc -x gulpfile.js -x '**/*test*' npm run mocha",
     "test-api": "mocha \"**/*.api.js\"",
-    "mocha": "gulp test",
+    "mocha": "NODE_PATH=$(pwd)/out gulp test",
     "prebuild": "tsc -b ./src/tsconfig.all.json",
     "build": "gulp build",
     "prepare": "npm run prebuild",