public void Should_Success_ProductSKU_When_latestCodeIsEmpty()
{
var latestcode = "";
var codeGenerator = DocumentCodeGenerator.ProductSKU(latestcode);
Assert.NotEmpty(codeGenerator);
}
public void Should_Success_Intantiate_When_yearNowCode_NotEqual_yearCode()
{
var monthNowCode = DateTime.Now.Month.ToString().PadLeft(2, '0');
var latestcode = "00" + monthNowCode;
var codeGenerator = DocumentCodeGenerator.ProductSKU(latestcode);
Assert.NotEmpty(codeGenerator);
}