code: def test_underlow(self):
      # Regression test for #759:
      # instantiating MachAr for dtype = np.float96 raises spurious warning.
      with errstate(all="raise"):
          try:
              self._run_machar_highprec()
          except FloatingPointError as e:
              msg = (
                  "Caught %s exception, should not have been raised."
                  % e
              )
              raise AssertionError(msg)
  
imports: from numpy._core._machar import MachAr
  import numpy._core.numerictypes
  from numpy import errstate, array
label_desc: Use image node_id 2 for calling the TestMachAr obj's underlying member method code with example usage: obj.test_underlow() without return types