/**
* Test execute
*
* @return void
*/
public function testExecuteNotValidPost()
{
$redirectMock = $this->getMockBuilder('Magento\\Backend\\Model\\View\\Result\\Redirect')->disableOriginalConstructor()->getMock();
$this->resultPageFactoryMock->expects($this->once())->method('create')->willReturn($redirectMock);
$this->formKeyValidatorMock->expects($this->once())->method('validate')->with($this->requestMock)->willReturn(true);
$this->requestMock->expects($this->once())->method('isPost')->willReturn(false);
$this->messageManagerMock->expects($this->once())->method('addError')->with('We can\'t save the invoice right now.');
$redirectMock->expects($this->once())->method('setPath')->with('sales/order/index')->willReturnSelf();
$this->assertEquals($redirectMock, $this->controller->execute());
}
