text: import pytest
  
  from sphinx_probs_rdf.directives import PROBS
  
  SYS = "http://example.org/system/"
  
  
  @pytest.mark.sphinx(
      'html', testroot='basic',
      confoverrides={'probs_rdf_system_prefix': str(SYS)})
  def test_probs_rdf_builder(app, status, warning):
      app.builder.build_all()
      content = (app.outdir / "index.html").read_text()
      print(content)
  
      assert """<div class="toggle process nested-1 system admonition">
  <p class="admonition-title" id="process-P1"><em>Process: </em><span class="sig-name descname">P1</span><em> / Making crumble</em></p>""" in content
  
      assert """
  <p>Parent: <a class="reference internal" href="#process-ParentOfP1P2" title="process-ParentOfP1P2"><span>ParentOfP1P2</span></a></p>""" in content
  