def test_not_equal_disjoint():
intervals = [(1, 5), (7, 10)]
result = carryover.merge_intervals(intervals)
assert list(result) == [(1, 5), (7, 10)]
def test_overlap():
intervals = [(2, 3), (1, 5)]
result = carryover.merge_intervals(intervals)
assert list(result) == [(1, 5)]
def test_equal():
intervals = [(1, 5), (1, 5)]
result = carryover.merge_intervals(intervals)
assert list(result) == [(1, 5)]