message: Add failing beta version test
diff: @@ -11,6 +11,9 @@ test('Compare versions', t => {
  t.is(-1, fn('1.2.3', '1.22.3'));
  t.is(-1, fn('1.1.1.1.1', '1.1.1.1.2'));
  t.is(-1, fn('r1', 'r2'));
  +});
  +
  +test.failing('Support beta versions', t => {
  t.is(-1, fn('1.0-beta', '1.0'));
  - t.is(-1, fn('v0.11-M4', 'v0.20'));
  + t.is(-1, fn('v2.0-RC4', 'v2.0'));
  });
  