def test_update_groupvar(self):
gr1 = Group(name='g1')
gr1.vars['a'] = 'va'
gr1.set_var('b', 'vb')
assert gr1.vars == {'a': 'va', 'b': 'vb'}
def test_set_var(self):
a = Group('a')
a.set_var('babar', 'woot')
assert a.vars['babar'] == 'woot'