text: """Functionality to speed up developing tests of Panel apps"""
  from typing import Callable
  
  from panel.layout import Column
  from panel.pane import Markdown
  
  
  class TestApp(Column):
      """Creates a Test App from the name and docstring of the test function"""
  
      __test__ = False  # We don't wan't pytest to collect this
  
      def __init__(self, test_func: Callable, *args, **kwargs):
          """## Creates a Test App from the name and docstring of the test function
  
          Displays
          - __name__
          - __doc__
  
          Has sizing_mode="stretch_width" unless otherwise specified
  
          Arguments:
              test_func {Callable} -- The function to create an app from.
          """
          text_str = test_func.__name__.replace("_", " ",).capitalize()
          text_str = "    # " + text_str
  
          if test_func.__doc__:
              if test_func.__doc__.startswith("    "):
                  text_str += "\n\n" + test_func.__doc__
              else:
                  text_str += "\n\n    " + test_func.__doc__
  
          text = Markdown(text_str)
  
          if "sizing_mode" not in kwargs and "width" not in kwargs and "height" not in kwargs:
              kwargs["sizing_mode"] = "stretch_width"
  
          super().__init__(text, *args, **kwargs)
  