code: def test_bar_plot(self):
      # GH38947
      # Test bar plot with string and int index
      from matplotlib.text import Text
  
      expected = [Text(0, 0, "0"), Text(1, 0, "Total")]
  
      df = DataFrame(
          {
              "a": [1, 2],
          },
          index=Index([0, "Total"]),
      )
      plot_bar = df.plot.bar()
      assert all(
          (a.get_text() == b.get_text())
          for a, b in zip(plot_bar.get_xticklabels(), expected)
      )
  
imports: import os
  import numpy
  import pytest
  import pandas.util._test_decorators
  from pandas import DataFrame, Index, Series, Timestamp, date_range, interval_range, period_range, plotting, read_csv
  import pandas._testing
  from pandas.tests.plotting.common import _check_colors, _check_legend_labels, _check_plot_works, _check_text_labels, _check_ticks_props
label_desc: Use image node_id 27 for calling the TestDataFramePlots obj's underlying member method code with example usage: obj.test_bar_plot() without return types