fix test symlink on windows

Author: yyx990803

packages/@vue/cli-plugin-eslint/__tests__/eslintPlugin.spec.js

@@ -37,8 +37,11 @@ test('should work', async () => {
     require('yorkie/src/install')(path.join(project.dir, 'node_modules'))
     // since yorkie isn't actually installed in the test project, we need to
     // symlink it
-    const yorkieDir = path.resolve(require.resolve('yorkie/src/install'), '../../')
-    fs.symlinkSync(yorkieDir, path.join(project.dir, 'node_modules', 'yorkie'))
+    fs.symlinkSync(
+      path.resolve(require.resolve('yorkie/src/install'), '../../'),
+      path.join(project.dir, 'node_modules', 'yorkie'),
+      'junction' // needed for windows
+    )
   })
   const hook = await read('.git/hooks/pre-commit')
   expect(hook).toMatch('#yorkie')

packages/@vue/cli/lib/util/setupDevProject.js

@@ -23,6 +23,7 @@ module.exports = function setupDevProject (targetDir, deps) {
   mkdirp.sync(binPath)
   fs.symlinkSync(
     require.resolve('@vue/cli-service/bin/vue-cli-service'),
-    path.join(binPath, 'vue-cli-service')
+    path.join(binPath, 'vue-cli-service'),
+    'junction' // needed for windows
   )
 }