class_docstr: Test encoding features
class_docstr_tok: ["Test","encoding","features"]
docstr: Test webm encoding, audio only
docstr_tok: ["Test","webm","encoding",",","audio","only"]
code: def testWebM(self):
      "Test webm encoding, audio only"
      from timeside.plugins.encoder.webm import WebMEncoder
  
      self.encoder_function = WebMEncoder
      self.test_duration = False
  
imports: from __future__ import division
  from math import pi
  import numpy
  from unit_timeside import *
  from timeside.plugins.decoder.utils import get_uri, get_media_uri_info
  from timeside.plugins.decoder.array import ArrayDecoder
  import os
  from tools import tmp_file_sink
label_desc: Use image node_id 8 for calling the TestEncoding obj's underlying member method code with example usage: obj.testWebM() without return types