code: def test_mkdw005_block_mathjax(dash_dcc, is_eager):
      app = Dash(
          __name__, eager_loading=is_eager, assets_folder="../../assets"
      )
  
      app.layout = html.Div(
          [
              dcc.Markdown(
                  """
                      ## h2 tag with MathJax block:
                      $$
                      \\frac{1}{(\\sqrt{\\phi \\sqrt{5}}-\\phi) e^{\\frac25 \\pi}} =
                      1+\\frac{e^{-2\\pi}} {1+\\frac{e^{-4\\pi}} {1+\\frac{e^{-6\\pi}}
                      {1+\\frac{e^{-8\\pi}} {1+\\ldots} } } }
                      $$
                      ## Next line.
                  """,
                  mathjax=True,
                  id="md",
              ),
          ]
      )
  
      dash_dcc.start_server(app)
      dash_dcc.wait_for_element("#md svg")
      assert dash_dcc.get_logs() == []
  
file_path: dash/components/dash-core-components/tests/integration/markdown/test_markdown.py
imports: import pytest
  from dash import Dash, dcc, html, Input, Output
  from dash.testing.wait import until
label_desc: Use image node_id 5 for calling a global function with example usage: test_mkdw005_block_mathjax(dash_dcc, is_eager) without return types