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