it('does not prevent if no callback is available', () => {
dialog.showOpenDialog.mockClear();
dialogProxy.showOpenDialog({});
dialogProxy.showOpenDialog({});
expect(dialog.showOpenDialog).toHaveBeenCalledTimes(2);
});
it('prevents consecutive dialog opens when a callback is available', () => {
dialog.showOpenDialog.mockClear();
dialogProxy.showOpenDialog({}, jest.fn());
dialogProxy.showOpenDialog({}, jest.fn());
expect(dialog.showOpenDialog).toHaveBeenCalledTimes(1);
});