public void SubStringIsFdund()
{
//Arrange
var text = "This is a randome text and I am new randome, can you provide new data";
var subString = "new";
//Act
var substringPositions = stringMatcher.FindSubstringPositions(text, subString);
//Assert
Assert.AreEqual(2, substringPositions.Count, "The substring is not found");
Assert.AreEqual(32, substringPositions.First(), "First instance of substring is not at");
Assert.AreEqual(61, substringPositions.Last(), "Second instance of substring is not at");
}