class_docstr: Test markdown.extensions.Extension. 
class_docstr_tok: ["Test","markdown.extensions.Extension","."]
code: def testConfigAsKwargsOnInit(self):
      ext = self.ExtKlass(foo="baz", bar="blah")
      self.assertEqual(ext.getConfigs(), {"foo": "baz", "bar": "blah"})
  
imports: import unittest
  import markdown
label_desc: Use image node_id 8 for calling the TestExtensionClass obj's underlying member method code with example usage: obj.testConfigAsKwargsOnInit() without return types