webpack.test.conf.js is not needed in jest and e2e#1135

LinusBorg merged 1 commit intovuejs-templates:developvuejs-templates/webpack:developfrom

pwang2:fix/webpack-test-conf-not-needed-in-unit-jest-and-e2epwang2/vue-templates-webpack:fix/webpack-test-conf-not-needed-in-unit-jest-and-e2eCopy head branch name to clipboard