code: def testCSVFeed(self):
      with common.CopyFiles(
          [os.path.join("samples", "data", "quandl_gold_2.csv")], "."
      ):
          code = """import sys
  sys.path.append('samples')
  import csvfeed_1
  """
          res = common.run_python_code(code)
          lines = res.get_output_lines(True)
          self.assertEqual(
              common.head_file("csvfeed_1.output", 10), lines[0:10]
          )
          self.assertEqual(
              common.tail_file("csvfeed_1.output", 10), lines[-10:]
          )
          self.assertTrue(res.exit_ok())
  
imports: import os
  import six
  from testcases import common
label_desc: Use image node_id 1 for calling the CVSFeedTest obj's underlying member method code with example usage: obj.testCSVFeed() without return types