pkg/crypto: move tests to unittest package

R=sgjesse@google.com

Review URL: https://codereview.chromium.org//169363008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/crypto@32742 260f80e4-7a28-3924-810f-c04153c831b5
13 files changed
tree: 003787b97a54e4418e64fed98c6dd97e8feb6eca
  1. LICENSE
  2. lib/
  3. pubspec.yaml
  4. test/