code: def test_rounding_pos():
      wrap_single_test(0.00003, 0.001, 0, 0.001)
      wrap_single_test(0.1, 0.9, 0, 1)
      wrap_single_test(1.5, 150, 0, 1000)
      wrap_single_test(20000, 100000, 0, 100000)
  
file_path: ultranest/tests/test_viz.py
imports: import numpy
  from ultranest.viz import round_parameterlimits
label_desc: Use image node_id 3 for calling a global function with example usage: test_rounding_pos() without return types