class_docstr: test AnalyzerResult xml serialize 
code: def tearDown(self):
      results = AnalyzerResultContainer([self.result])
      r_xml = results.to_xml()
      if verbose:
          print("to xml:", r_xml)
  
      from_results = AnalyzerResultContainer()
      from_results.from_xml(r_xml)
      if verbose:
          print("%15s" % "from xml:", from_results)
  
      # for i in range(len(d_xml)):
      self.assertEqual(results, from_results)
  
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core.analyzer import AnalyzerResult, AnalyzerResultContainer
  from timeside.core import __version__
  import numpy
  from math import pi
  from timeside.core.analyzer import numpy_data_types
label_desc: Use image node_id 1 for calling the TestAnalyzerResultXml obj's underlying member method code with example usage: obj.tearDown() without return types