src/vs/platform/driver/electron-sandbox/driver.ts/WindowDriver/click
class WindowDriver:	click(selector: string, xoffset?: number, yoffset?: number): Promise<void> {
		const offset = typeof xoffset === 'number' && typeof yoffset === 'number' ? { x: xoffset, y: yoffset } : undefined;
		return this._click(selector, 1, offset);
	}