message: Added e2e test for two factor auth challenge
diff: <div class="form-container">
  <mat-form-field appearance="outline">
  <mat-label translate>LABEL_TWO_FACTOR_AUTH_TOKEN</mat-label>
  - <input formControlName="token" type="text" required minlength="6" maxlength="6" pattern="^[\d]{6}$" matInput>
  + <input formControlName="token" type="text" required minlength="6" maxlength="6" pattern="^[\d]{6}$" matInput id="totpToken">
  </mat-form-field>
  </div>
  - <button type="submit" color="primary" mat-raised-button [disabled]="twoFactorForm.invalid">
  + <button type="submit" color="primary" mat-raised-button [disabled]="twoFactorForm.invalid" id="totpSubmitButton">
  {{'BTN_LOGIN' | translate}}
  </button>
  </form>
  