public void TestSaveData()
{
//Act
dealsDataRepository.SaveDealsData(deals);
//Assert
_delerDataContext.Verify(_ => _.SaveData(deals), Times.Once);
}
public void SaveDealsData(IList <IDeal> dealsData)
{
var dataModel = dealsData.Select(_ => _.ToDataModel()).ToList();
_dealsDataRepository.SaveDealsData(dataModel);
}