"""
Operators for unit tests.
"""


# Dummy operators for testing
def root():
    return "root"


def op1():
    return "op1"


def op2():
    return "op2"


def op3():
    return "op3"

"""
Operators for unit tests.
"""


# Dummy operators for testing
def root():
    return "root"


def op1():
    return "op1"


def op2():
    return "op2"


def op3():
    return "op3"

Operators for unit tests. # Dummy operators for testing