code: def test_method_call_rtf():
      """
      Method calling Test - Made to fail by calling method in the wrong context.
      """
      stream_params = {"-video_source": 1234}  # for CI testing only
      streamer = StreamGear(
          output="output.mpd", logging=True, **stream_params
      )
      streamer.transcode_source()
      streamer.terminate()
  
imports: import numpy
  import pytest
  from vidgear.gears import StreamGear
label_desc: Use image node_id 3 for calling a global function with example usage: test_method_call_rtf() without return types