def test_1():
assert countHi2("ahibhi") == 2
def test_14():
assert countHi2("") == 0
def test_15():
assert countHi2("Hellohi") == 1
def test_12():
assert countHi2("h") == 0
def test_13():
assert countHi2("x") == 0
def test_11():
assert countHi2("xxxx") == 0
def test_0():
assert countHi2("ahixhi") == 1
def test_9():
assert countHi2("hixxhi") == 1
def test_10():
assert countHi2("hi") == 1
def test_7():
assert countHi2("xhihihix") == 2
def test_8():
assert countHi2("xxhi") == 0
def test_6():
assert countHi2("hihihix") == 3
def test_5():
assert countHi2("hihihi") == 3
def test_4():
assert countHi2("hixhhi") == 2
def test_3():
assert countHi2("hixhi") == 1
def test_2():
assert countHi2("xhixhi") == 0