class_docstr: Mock class to test TestScenario.
class_docstr_tok: ["Mock","class","to","test","TestScenario","."]
docstr: Test method for mock class to test TestScenario.
docstr_tok: ["Test","method","for","mock","class","to","test","TestScenario","."]
code: def bar(self, c, d="0"):
      """Test method for mock class to test TestScenario."""
      self.a += c
      self.a += d
      return self.a
  
file_path: sktime/sktime/utils/_testing/tests/test_testscenarios.py
imports: from sktime.utils._testing.scenarios import TestScenario
label_desc: Use image node_id 3 for calling the MockTestedClass obj's underlying member method code with example usage: obj.bar(c, d) and returns: self