public void Given_I_Have_A_Value_Of_7_The_Value_Returned_Should_Be_Seven()
{
// Given I have a value of 7
var value = 7;
// When I pass the value into the word converter
IUnitsConverter converter = new UnitsConverter();
string result = converter.ConvertSingleNumberToWord(value);
// Then I expect the value returned is "seven"
Assert.AreEqual("seven", result);
}