code: def test_subplots_timeseries_y_axis(self, col):
      # GH16953
      data = {
          "numeric": np.array([1, 2, 5]),
          "timedelta": [
              pd.Timedelta(-10, unit="s"),
              pd.Timedelta(10, unit="m"),
              pd.Timedelta(10, unit="h"),
          ],
          "datetime_no_tz": [
              pd.to_datetime("2017-08-01 00:00:00"),
              pd.to_datetime("2017-08-01 02:00:00"),
              pd.to_datetime("2017-08-02 00:00:00"),
          ],
          "datetime_all_tz": [
              pd.to_datetime("2017-08-01 00:00:00", utc=True),
              pd.to_datetime("2017-08-01 02:00:00", utc=True),
              pd.to_datetime("2017-08-02 00:00:00", utc=True),
          ],
          "text": ["This", "should", "fail"],
      }
      testdata = DataFrame(data)
  
      ax = testdata.plot(y=col)
      result = ax.get_lines()[0].get_data()[1]
      expected = testdata[col].values
      assert (result == expected).all()
  
imports: import string
  import numpy
  import pytest
  from pandas.compat import is_platform_linux
  from pandas.compat.numpy import np_version_gte1p24
  import pandas
  from pandas import DataFrame, Series, date_range
  import pandas._testing
  from pandas.tests.plotting.common import _check_axes_shape, _check_box_return_type, _check_legend_labels, _check_ticks_props, _check_visible, _flatten_visible
  from pandas.io.formats.printing import pprint_thing
label_desc: Use image node_id 6 for calling the TestDataFramePlotsSubplots obj's underlying member method code with example usage: obj.test_subplots_timeseries_y_axis(col) without return types