code: def test_get_indexer_masked_na_boolean(self, dtype):
      # GH#39133
      if dtype == "bool[pyarrow]":
          pytest.importorskip("pyarrow")
      idx = Index([True, False, NA], dtype=dtype)
      result = idx.get_loc(False)
      assert result == 1
      result = idx.get_loc(NA)
      assert result == 2
  
imports: import numpy
  import pytest
  from pandas.errors import InvalidIndexError
  from pandas import NA, Index, RangeIndex, Series, Timestamp
  import pandas._testing
  from pandas.core.arrays import ArrowExtensionArray, FloatingArray
label_desc: Use image node_id 19 for calling the TestGetIndexer obj's underlying member method code with example usage: obj.test_get_indexer_masked_na_boolean(dtype) without return types