parameters: (self)
return_statement: return (os.path.splitext(self.testsuite_name)[0] + '_' + self.device + '_' +
              self._GetSignatureFromGTestFilter() + '_' +
              datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M-%S-%f'))
docstring: Generates a prefix name for debug information of the test.
  
      The prefix name consists of the following:
      (1) root name of test_suite_base.
      (2) device serial number.
      (3) prefix of filter signature generate from gtest_filter.
      (4) date & time when calling this method.
  
      Returns:
        Name of the log file.
docstring_summary: Generates a prefix name for debug information of the test.
docstring_tokens: Generates a prefix name for debug information of the test .
function: def _GeneratePrefixName(self):
      """Generates a prefix name for debug information of the test.
  
      The prefix name consists of the following:
      (1) root name of test_suite_base.
      (2) device serial number.
      (3) prefix of filter signature generate from gtest_filter.
      (4) date & time when calling this method.
  
      Returns:
        Name of the log file.
      """
      return (os.path.splitext(self.testsuite_name)[0] + '_' + self.device + '_' +
              self._GetSignatureFromGTestFilter() + '_' +
              datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M-%S-%f'))
function_tokens: def _GeneratePrefixName ( self ) : return ( os . path . splitext ( self . testsuite_name ) [ 0 ] + '_' + self . device + '_' + self . _GetSignatureFromGTestFilter ( ) + '_' + datetime . datetime . utcnow ( ) . strftime ( '%Y-%m-%d-%H-%M-%S-%f' ) )