public void MovePrevious_ReturnsTrue_WhenIndexIsNotAtStart()
        {
            // ARRANGE
            const string data = Fakes.Literal.BasicLiteral;
            var characterBuffer = new CharacterBuffer(data);
            characterBuffer.MoveToEnd();

            // ACT
            var result = characterBuffer.MovePrevious();

            // ASSERT
            Assert.IsTrue(result);
        }