message: App: Fix invalid 'code-kata.[...]' translation
diff: [durationBeforeCallback]="333"
  (textChanged)="onUserInput()">
  </ace-editor>
  - <div>{{ 'code-kata.text.needToSuccess' | translate }}</div>
  + <div>{{ 'code-kata.text.testsNeedToSuccees' | translate }}</div>
  <ace-editor
  #testEditor
  [text]="codeKataUnit.test"
  