def test_strategie_utok_dva_symboly_vedle_sebe_zleva(): assert strategie_utok("xx----", "x") == "xxx---"
def test_strategie_utok_dva_symboly_vedle_sebe_zprava(): assert strategie_utok("-xx", "x") == "xxx"
def test_strategie_utok_dva_symboly_prazdna_pozice_uprosted(): assert strategie_utok("x-x", "x") == "xxx"
def test_strategie_utok_tri_prazdne_pozice(): assert strategie_utok("---", "x") == "-x-"
def test_strategie_utok_jeden_symbol(): assert strategie_utok("--x", "x") == "-xx"