public void SampleTest()
 {
     Assert.That(Ch4113ng3.Nerdify("Fund4m3nt41s"), Is.EqualTo("Fund4m3nt41s"));
     Assert.That(Ch4113ng3.Nerdify("Seven"), Is.EqualTo("S3v3n"));
     Assert.That(Ch4113ng3.Nerdify("Los Angeles"), Is.EqualTo("Los 4ng313s"));
     Assert.That(Ch4113ng3.Nerdify("Seoijselawuue"), Is.EqualTo("S3oijs314wuu3"));
 }
 public void ErrorTest()
 {
     Assert.That(() => Ch4113ng3.Nerdify(null), Throws.TypeOf(typeof(ArgumentNullException)));
 }