def test_pop_to():
'''Testing pop_to method'''
assert units.id(0) == "10"
assert units.value(0) == "ten"
assert units.id(1) == "11"
assert units.value(1) == "eleven"
omits = Units('omits')
assert len(units) == 4
assert len(omits) == 0
units.pop_to(omits, 0, 1)
assert omits.id(0) == "11"
assert omits.value(0) == "eleven"
assert omits.id(1) == "10"
assert omits.value(1) == "ten"
assert len(units) == 2
assert len(omits) == 2
def test_getattr():
'''Testing getattr method'''
data = [{"id": "10", "value": "ten", "suspect": "bar"},
{"id": "11", "value": "eleven", "suspect": "bar"},
{"id": "12", "value": "twelve", "suspect": "bar"},
{"id": "13", "value": "thirteen", "suspect": "bar"}]
units = Units('units', data)
assert units.id(0) == "10"
assert units.value(0) == "ten"
assert units.suspect(0) == "bar"
assert units.id(1) == "11"
assert units.value(1) == "eleven"
assert units.suspect(1) == "bar"