public void AreEntriesValidShouldReturnTrueIfAnyInputOTherThanEmpty()
 {
     var orderEntryResolver = new OrderEntryResolver("1");
     Assert.IsTrue(orderEntryResolver.AreEntriesValid());
 }
 public void AreEntriesValidShouldReturnFalseIfEmptyOrWhiteSpace()
 {
     var orderEntryResolver = new OrderEntryResolver(" ");
     Assert.IsFalse(orderEntryResolver.AreEntriesValid());
 }