public async void Delete()
{
Mock <ILogger <ProductCostHistoryRepository> > loggerMoc = ProductCostHistoryRepositoryMoc.GetLoggerMoc();
ApplicationDbContext context = ProductCostHistoryRepositoryMoc.GetContext();
var repository = new ProductCostHistoryRepository(loggerMoc.Object, context);
ProductCostHistory entity = new ProductCostHistory();
context.Set <ProductCostHistory>().Add(entity);
await context.SaveChangesAsync();
await repository.Delete(entity.ProductID);
ProductCostHistory modifiedRecord = await context.Set <ProductCostHistory>().FirstOrDefaultAsync();
modifiedRecord.Should().BeNull();
}
