public void ConvertListOfArraysToString_CreateFinalOutput_True()
{
//arrange
List <int[]> al = new List <int[]> {
new int[] { 3, 7, 8 }, new int[] { 4, 6, 4 }, new int[] { 6 }
};
string er = "six million four hundred sixty four thousand eight hundred seventy three";
//act
NumToWord ntw = new NumToWord();
string ar = ntw.ConvertListOfArraysToString(al);
Assert.AreEqual(er, ar);
}