Chore: tweak npm-scripts

Author: mysticatea

package.json

@@ -68,7 +68,7 @@
     "watch": "run-p watch:*",
     "watch:tsc": "tsc --watch",
     "watch:rollup": "wait-on .temp/index.js && rollup -c -o index.js --watch",
-    "watch:test": "wait-on index.js && warun index.js \"test/*.js\" \"test/fixtures/ast/*/*.json\" \"test/fixtures/*\" --no-initial -- nyc -r lcov npm run -s _mocha",
+    "watch:test": "wait-on index.js && warun index.js \"test/*.js\" \"test/fixtures/ast/*/*.json\" \"test/fixtures/*\" --debounce 1000 --no-initial -- nyc -r lcov npm run -s _mocha",
     "watch:update-ast": "wait-on index.js && warun index.js \"test/fixtures/ast/*/*.vue\" -- node test/tools/update-fixtures-ast.js",
     "watch:coverage-report": "wait-on coverage/lcov-report/index.html && opener coverage/lcov-report/index.html"
   },