code: def setUp(self):
      self.file_byte_string = "".join(self.file_list).encode("utf-8")
      super().setUp()
  
imports: import linecache
  import unittest
  import os.path
  import tempfile
  import tokenize
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 1 for calling the GetLineTestsGoodData obj's underlying member method code with example usage: obj.setUp() without return types