code: def test_dtype_name(self):
      assert SF(1.0).name == "_ScaledFloatTestDType64"
  
imports: import pytest
  import numpy
  from numpy.testing import assert_array_equal
  from numpy.core._multiarray_umath import _discover_array_parameters, _get_sfloat_dtype
label_desc: Use image node_id 6 for calling the TestSFloat obj's underlying member method code with example usage: obj.test_dtype_name() without return types