public function testExecuteException()
{
$redirectPath = 'path/to/redirect';
$quoteMock = $this->getQuoteMock();
$quoteMock->expects(self::once())->method('getItemsCount')->willReturn(0);
$this->requestMock->expects(self::exactly(1))->method('getParam')->willReturnMap([['isAjax', null, true]]);
$this->checkoutSessionMock->expects(self::once())->method('getQuote')->willReturn($quoteMock);
$this->shippingMethodUpdaterMock->expects(self::never())->method('execute');
$this->messageManagerMock->expects(self::once())->method('addExceptionMessage')->with(self::isInstanceOf('\\InvalidArgumentException'), 'We can\'t initialize checkout.');
$this->urlMock->expects(self::once())->method('getUrl')->with('*/*/review', ['_secure' => true])->willReturn($redirectPath);
$this->responseMock->expects(self::once())->method('setBody')->with(sprintf('<script>window.location.href = "%s";</script>', $redirectPath));
$this->saveShippingMethod->execute();
}
