code: def testTechnical_1(self):
      res = common.run_sample_module("technical-1")
  
      self.assertTrue(res.exit_ok(), res.get_output())
      lines = res.get_output_lines()
      self.assertEqual(
          lines, common.head_file("technical-1.output", len(lines))
      )
  
imports: import os
  import six
  from testcases import common
label_desc: Use image node_id 1 for calling the TechnicalTestCase obj's underlying member method code with example usage: obj.testTechnical_1() without return types