# TODO: Write unit tests for actual methods in the class

def add_one(x):
    return x+1

def test_add_one():
    assert add_one(3) == 4

# TODO: Write unit tests for actual methods in the class

def add_one(x):
    return x+1

def test_add_one():
    assert add_one(3) == 4

# TODO: Write unit tests for actual methods in the class