/**
  * @return void
  */
 public function testExecute()
 {
     $content = ['export'];
     $fileName = 'products_downloads.xml';
     $this->abstractBlockMock->expects($this->once())->method('setSaveParametersInSession')->willReturnSelf();
     $this->abstractBlockMock->expects($this->once())->method('getExcel')->with($fileName)->willReturn($content);
     $this->layoutMock->expects($this->once())->method('createBlock')->with('Magento\\Reports\\Block\\Adminhtml\\Product\\Downloads\\Grid')->willReturn($this->abstractBlockMock);
     $this->fileFactoryMock->expects($this->once())->method('create')->with($fileName, $content);
     $this->exportDownloadsExcel->execute();
 }