TST: xfail unit test on min build (#47259)

Author: mroeschke

pandas/compat/numpy/__init__.py

@@ -11,6 +11,7 @@
 np_version_gte1p22 = _nlv >= Version("1.22")
 is_numpy_dev = _nlv.dev is not None
 _min_numpy_ver = "1.19.5"
+is_numpy_min = _nlv == Version(_min_numpy_ver)
 
 if is_numpy_dev or not np_version_under1p22:
     np_percentile_argname = "method"

pandas/tests/indexing/test_iloc.py

@@ -10,6 +10,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat.numpy import is_numpy_min
 import pandas.util._test_decorators as td
 
 from pandas import (
@@ -1198,6 +1199,7 @@ def test_iloc_getitem_int_single_ea_block_view(self):
         arr[2] = arr[-1]
         assert ser[0] == arr[-1]
 
+    @pytest.mark.xfail(is_numpy_min, reason="Column A gets coerced to integer type")
     def test_iloc_setitem_multicolumn_to_datetime(self, using_array_manager):
 
         # GH#20511