🔧 add debug script

Author: ctcpip

package.json

@@ -46,6 +46,7 @@
     "lint": "eslint .",
     "test": "mocha --require test/support/env --reporter spec --check-leaks --bail test/",
     "test-ci": "nyc --reporter=lcov --reporter=text npm test",
-    "test-cov": "nyc --reporter=html --reporter=text npm test"
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-debug": "npm test -- --timeout 0"
   }
 }