public FormulatedMeasureUnitTestBuilder WithConvertFormulaToBasicUnit(
     string formula)
 {
     this._convertFormulaToBasicUnitArg = new ConvertFormulaArg
     {
         Formula = formula
     };
     return(this);
 }
 public FormulatedMeasureUnitTestBuilder()
 {
     _symbol    = new Symbol(MeasureUnitSymbolTestData.FarenheitUnitSymbol);
     _title     = "فارنهایت";
     _titleSlug = "Farenheit";
     _convertFormulaFromBasicUnitArg = new ConvertFormulaArg {
         Formula = "32 + (9.5 * a)"
     };
     _convertFormulaToBasicUnitArg = new ConvertFormulaArg {
         Formula = "5.9 * (a - 32)"
     };
 }