Method open

src/material/select/testing/select-harness.ts:120–125

Opens the select's panel.

()

  /** Opens the select's panel. */
  async open(): Promise<void> {
    if (!(await this.isOpen())) {
      const trigger = await this.locatorFor(`.${this._prefix}-select-trigger`)();
      return trigger.click();
    }
  }

  /**
   * Clicks the options that match the passed-in filter. If the select is in multi-selection