Method hasErrors

src/material/stepper/testing/step-harness.ts:86–88

* Whether the step is currently showing its error state. Note that this doesn't mean that there * are or aren't any invalid form controls inside the step, but that the step is showing its * error-specific styling which depends on there being invalid controls, as well as the * `ErrorStateMat

()

   * option was enabled through the `STEPPER_GLOBAL_OPTIONS` injection token.
   */
  async hasErrors(): Promise<boolean> {
    return (await this._getIconState()) === 'error';
  }

  /** Whether the step is optional. */
  async isOptional(): Promise<boolean> {