public void SampleTest()
{
Assert.AreEqual(true, Kata.IsValidWalk(new string[] { "n", "s", "n", "s", "n", "s", "n", "s", "n", "s" }), "should return true");
Assert.AreEqual(false, Kata.IsValidWalk(new string[] { "w", "e", "w", "e", "w", "e", "w", "e", "w", "e", "w", "e" }), "should return false");
Assert.AreEqual(false, Kata.IsValidWalk(new string[] { "w" }), "should return false");
Assert.AreEqual(false, Kata.IsValidWalk(new string[] { "n", "n", "n", "s", "n", "s", "n", "s", "n", "s" }), "should return false");
}