old_contents: import Vue from 'vue'
  
  Vue.config.productionTip = false
  
  // require all test files (files that ends with .spec.js)
  const testsContext = require.context('./specs', true, /\.spec$/)
  // const testsContext = require.context('./specs', true, /checkFilter.spec$/)
  testsContext.keys().forEach(testsContext)
  
  // require all src files except main.js for coverage.
  // you can also change this to match only the subset of files that
  // you want coverage for.
  const srcContext = require.context('../../src', true, /^\.\/(?!main(\.js)?$)/)
  srcContext.keys().forEach(srcContext)
  
new_contents: import Vue from 'vue'
  
  Vue.config.productionTip = false
  
  // require all test files (files that ends with .spec.js)
  const testsContext = require.context('./specs', true, /\.spec$/)
  // const testsContext = require.context('./specs', true, /checkFilter.spec$/)
  testsContext.keys().forEach(testsContext)
  
  // require all src files except main.js for coverage.
  // you can also change this to match only the subset of files that
  // you want coverage for.
  // const srcContext = require.context('../../src', true, /^\.\/(?!main(\.js)?$)/)
  // srcContext.keys().forEach(srcContext)
  
subject: remove useless require