def test_to_single_from_multivalue(self):
"""Test the multivalue to single conversion, case multivalue value"""
result = Collector.to_single(['a', 'b', 'c'])
assert result == 'a'
def test_to_single_single(self):
"""Test the multivalue to single conversion, case single value"""
result = Collector.to_single('a')
assert result == 'a'
