secret-handshake: update tests to v1.2.0 (#1305)
secret-handshake: update tests to v1.2.0 (#1305)


smalley/python,exercism/python,jmluy/xpython,N-Parsons/exercism-python,smalley/python,behrtam/xpython,exercism/xpython,exercism/python,exercism/xpython,N-Parsons/exercism-python,jmluy/xpython,behrtam/xpython