public void ItWords()
 {
     var foo = new Foo();
     var actualResult = foo.StringToNumber("10");
     Assert.That(actualResult, Is.EqualTo(10));
 }
 public void ItWords()
 {
     var foo = new Foo();
     var actualResult = foo.SomePrivateMethod("20");
     Assert.That(actualResult, Is.EqualTo(20));
 }