code: def test_getitem_periodindex_quarter_string(self):
      pi = PeriodIndex(
          ["2Q05", "3Q05", "4Q05", "1Q06", "2Q06"], freq="Q"
      )
      ser = Series(
          np.random.default_rng(2).random(len(pi)), index=pi
      ).cumsum()
      # Todo: fix these accessors!
      assert ser["05Q4"] == ser.iloc[2]
  
file_path: pandas/pandas/tests/indexes/period/test_partial_slicing.py
imports: import numpy
  import pytest
  from pandas import DataFrame, PeriodIndex, Series, date_range, period_range
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestPeriodIndex obj's underlying member method code with example usage: obj.test_getitem_periodindex_quarter_string() without return types