chore!: update vue-jest to v4.x (#6335)

Author: haoqunjiang

packages/@vue/cli-plugin-unit-jest/__tests__/jestPlugin.spec.js

@@ -69,7 +69,7 @@ test('should work without Babel', async () => {
   await project.run(`vue-cli-service test:unit`)
 
   await project.run(`vue-cli-service test:unit --coverage --collectCoverageFrom="src/**/*.{js,vue}"`)
-  const appCoverage = await project.read('coverage/lcov-report/App.vue.html')
+  const appCoverage = await project.read('coverage/lcov-report/src/App.vue.html')
   expect(appCoverage).toBeTruthy()
 })
 

packages/@vue/cli-plugin-unit-jest/package.json

@@ -27,16 +27,14 @@
     "@babel/plugin-transform-modules-commonjs": "^7.12.13",
     "@types/jest": "^26.0.20",
     "@vue/cli-shared-utils": "^5.0.0-alpha.5",
-    "babel-core": "^7.0.0-bridge.0",
     "babel-jest": "^26.6.3",
-    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
     "deepmerge": "^4.2.2",
     "jest": "^26.6.3",
     "jest-serializer-vue": "^2.0.2",
     "jest-transform-stub": "^2.0.0",
     "jest-watch-typeahead": "^0.6.1",
     "ts-jest": "^26.5.1",
-    "vue-jest": "^3.0.5"
+    "vue-jest": "^4.0.1"
   },
   "devDependencies": {
     "@vue/test-utils": "^1.1.3"

packages/@vue/cli-plugin-unit-jest/presets/no-babel/jest-preset.js

@@ -12,8 +12,8 @@ module.exports = deepmerge(
     },
     globals: {
       'vue-jest': {
-        babelConfig: {
-          plugins: ['babel-plugin-transform-es2015-modules-commonjs']
+        transform: {
+          '^jsx?$': require.resolve('./esmoduleTransformer')
         }
       }
     }