test: clean e2e build folder before test

package.json

@@ -83,6 +83,7 @@
     "eslint-plugin-standard": "^4.0.0",
     "eslint-plugin-vue": "^5.2.2",
     "esm": "^3.2.14",
+    "fs-extra": "^7.0.1",
     "is-wsl": "^1.1.0",
     "jest": "^24.3.1",
     "jest-environment-jsdom": "^24.3.1",
@@ -90,7 +91,6 @@
     "jsdom": "^14.0.0",
     "lodash": "^4.17.11",
     "puppeteer-core": "^1.13.0",
-    "rimraf": "^2.6.3",
     "rollup": "^1.6.0",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "^9.2.1",