def test_insertion_sort1():
arr = [8, 4, 23, 42, 16, 15]
actural = insertion_sort(arr)
expected = [4, 8, 15, 16, 23, 42]
assert actural == expected
def test_insertion_sort3():
arr = [20, 18, 12, 8, 5, -2]
actural = insertion_sort(arr)
expected = [-2, 5, 8, 12, 18, 20]
assert actural == expected
def test_insertion_sort5():
arr = [2, 3, 5, 7, 13, 11]
actural = insertion_sort(arr)
expected = [2, 3, 5, 7, 11, 13]
assert actural == expected
def test_insertion_sort2():
arr = [5, 12, 7, 5, 5, 7]
actural = insertion_sort(arr)
expected = [5, 5, 5, 7, 7, 12]
assert actural == expected
def test_sample_array():
actual = insertion_sort([8, 4, 23, 42, 16, 15])
expected = [4, 8, 15, 16, 23, 42]
assert actual == expected
def test_nearly_sorted_array():
actual = insertion_sort([2, 3, 5, 7, 13, 11])
expected = [2, 3, 5, 7, 11, 13]
assert actual == expected
def test_few_uniques_array():
actual = insertion_sort([5, 12, 7, 5, 5, 7])
expected = [5, 5, 5, 7, 7, 12]
assert actual == expected
def test_reversed_sorted_array():
actual = insertion_sort([20, 18, 12, 8, 5, -2])
expected = [-2, 5, 8, 12, 18, 20]
assert actual == expected