柏角单位测试 安装 npm install -D cypress cypress-angular-unit-test cypress/webpack-preprocessor 添加到您的支持文件 // cypress/support/index.js // core-js 3.* require ( 'core-js/es/reflect' ) ; // core-js 2.* require ( 'core-js/es7/reflect' ) ; require ( 'cypress-ang