code: def _test_extract3():
      import sys
      import time
  
      path = f"{scriptdir}/../../PyMuPDF-performance/adobe.pdf"
      if not os.path.exists(path):
          print(
              f"test_extract3(): not running becase does not exist: {path}"
          )
          return
      doc = fitz.open(path)
      t0 = time.time()
      for page in doc:
          page.get_text("json")
      t = time.time() - t0
      print(f"t={t}")
      sys.stdout.flush()
  
file_path: pymudf/tests/test_textextract.py
imports: import os
  import fitz
label_desc: Use image node_id 3 for calling a global function with example usage: _test_extract3() without return types