def METHOD_NAME(parser_class):
    from google.cloud.bigquery.magics.line_arg_parser import TokenType
    from google.cloud.bigquery.magics.line_arg_parser.lexer import Token
    # A simple iterable of Tokens is sufficient.
    fake_lexer = [
        Token(TokenType.PY_STRING, lexeme="'age'", pos=10),
        Token(TokenType.COLON, lexeme=":", pos=17),
        Token(TokenType.PY_NUMBER, lexeme="18", pos=19),
        Token(TokenType.COMMA, lexeme=",", pos=21),
        Token(TokenType.RCURL, lexeme="}", pos=22),
    ]
    parser = parser_class(fake_lexer)
    result = parser.dict_items()
    assert len(result) == 1
    dict_item = result[0]
    assert dict_item.key.key_value == "'age'"
    assert dict_item.value.raw_value == "18"