Method close

src/material/select/testing/select-harness.ts:151–158

Closes the select's panel.

()

  /** Closes the select's panel. */
  async close(): Promise<void> {
    if (await this.isOpen()) {
      // This is the most consistent way that works both in both single and multi-select modes,
      // but it assumes that only one overlay is open at a time. We should be able to make it
      // a bit more precise after #16645 where we can dispatch an ESCAPE press to the host instead.
      return (await this._backdrop()).click();
    }
  }

  /** Gets the selector that should be used to find this select's panel. */
  private async _getPanelSelector(): Promise<string> {