class_docstr: Test decoding features
class_docstr_tok: ["Test","decoding","features"]
docstr: Test decoding file withouth audio stream
docstr_tok: ["Test","decoding","file","withouth","audio","stream"]
code: def testNoAudioStream(self):
      "Test decoding file withouth audio stream"
      self.source = __file__
      with self.assertRaises(IOError):
          FileDecoder(self.source)
  
imports: import os.path
  import unittest
  from unit_timeside import TestRunner
  from test_decoding import TestDecoding, samples
  from timeside.core.processor import ProcessPipe
  from timeside.plugins.decoder.aubio import AubioDecoder
label_desc: Use image node_id 3 for calling the TestDecodingWrongFiles obj's underlying member method code with example usage: obj.testNoAudioStream() without return types