public void MatchWhenCalledWhithPcRegisterReturnsTokenPosition()
        {
            var tokenMatcher = new RegisterToken();

            Assert.That(tokenMatcher.Match("PC"), Is.EqualTo("PC"));
        }
        public void MatchWhenCalledWhithLowerCasePopReturnsTokenPosition()
        {
            var tokenMatcher = new RegisterToken();

            Assert.That(tokenMatcher.Match("pop"), Is.EqualTo("pop"));
        }