pangram: update tests to canonical data 2.0.0. (#1846)
pangram: update tests to canonical data 2.0.0. (#1846)


behrtam/xpython,jmluy/xpython,smalley/python,smalley/python,jmluy/xpython,exercism/xpython,exercism/python,exercism/xpython,behrtam/xpython,exercism/python