message: remove unresolve injection sum
diff: @@ -45,11 +45,11 @@ describe('provides validator instances using provide/inject API', () => {
  name: 'third-child',
  template: `<div></div>`
  });
  + // does no inject the validator.
  const FourthChild = Vue.extend({
  mixins: [mixin],
  name: 'fourth-child',
  template: `<div></div>`,
  - inject: ['sum'] // does no inject the validator.
  });
  const VM = Vue.extend({
  mixins: [mixin],
  