code: def __existTestData(self, test):
      cwd = os.path.dirname(os.path.realpath(__file__))
      fileName = cwd + "/../EndToEndTests/TestSuites/"
      if self.dataTestSuite is not None:
          if (
              "FILE" in self.dataTestSuite[test]
              and self.dataTestSuite[test]["FILE"] is not None
          ):
              fileName += self.dataTestSuite[test]["FILE"]
          else:
              print(
                  "ERROR: "
                  + test
                  + " configuration not found in targetTest.yaml, i.e. FILE: "
                  + test
                  + ".yaml"
              )
              return False
  
      if os.path.isfile(fileName):
          return True
  
      print("ERROR: " + fileName + " file not found")
      return False
  
file_path: blazingsql/tests/BlazingSQLTest/Runner/testSuites.py
imports: from blazingsql import DataType
  from Runner import TestCase, ConfigTest
  from os import listdir
  from os.path import isfile, join
  import yaml
  import os
  import sys
label_desc: Use image node_id 4 for calling the TestSuites obj's underlying member method code with example usage: obj.__existTestData(test) and returns: False, True, False