code: def test_consolidate_inplace(self, float_frame):
      # triggers in-place consolidation
      for letter in range(ord("A"), ord("Z")):
          float_frame[chr(letter)] = chr(letter)
  
imports: from datetime import datetime, timedelta
  import itertools
  import numpy
  import pytest
  from pandas.errors import PerformanceWarning
  import pandas
  from pandas import Categorical, DataFrame, Series, Timestamp, date_range, option_context
  import pandas._testing
  from pandas.core.internals.blocks import NumpyBlock
label_desc: Use image node_id 4 for calling the TestDataFrameBlockInternals obj's underlying member method code with example usage: obj.test_consolidate_inplace(float_frame) without return types