def METHOD_NAME(circuit):
    with set_context(circuit.elements):
        M1 = Instance(
            name='M1',
            model='testmos',
            pins={'D': 'NET01', 'G': 'NET02', 'S': 'NET03', 'B': 'NET04'},
            parameters={'PARAM1':'NF*4'}
        )
    assert M1.parameters == {'PARAM1': 'NF*4', 'PARAM2': "2"}
    with set_context(circuit.elements):
        M1 = Instance(
            name='M1',
            model='testmos',
            pins={'D': 'NET01', 'G': 'NET02', 'S': 'NET03', 'B': 'NET04'},
            parameters={'PARAM1':'12', 'PARAM2': '13'}
        )
    assert M1.parameters == {'PARAM1': "12", 'PARAM2': "13"}