code: def test_get_value(self, float_frame):
      for idx in float_frame.index:
          for col in float_frame.columns:
              result = float_frame._get_value(idx, col)
              expected = float_frame[col][idx]
              assert result == expected
  
imports: import pytest
  from pandas import DataFrame, MultiIndex
label_desc: Use image node_id 2 for calling the TestGetValue obj's underlying member method code with example usage: obj.test_get_value(float_frame) without return types