public void SplitToLength_ValidString_ReturnsValidListLength()
{
var testString = new StringBuilder();
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
testString.Append("abcde fghijkl mnopqr stuvw xyz");
var length = 100;
var list = _sut.SplitToLength(testString.ToString(), length);
Assert.IsNotNull(list);
Assert.AreEqual(3, list.Count);
}