code: def test_extended_summary():
      npt.assert_(
          doc["Extended Summary"][0].startswith(
              "The multivariate normal"
          )
      )
  
imports: import textwrap
  from dipy.workflows.docstring_parser import NumpyDocString
  import numpy.testing
label_desc: Use image node_id 3 for calling a global function with example usage: test_extended_summary() without return types