suppress dtype inference warnings

Author: jorisvandenbossche

pandas/tests/base/test_misc.py

@@ -165,6 +165,7 @@ def test_searchsorted(request, index_or_series_obj):
     assert 0 <= index <= len(obj)
 
 
+@pytest.mark.filterwarnings(r"ignore:Dtype inference:FutureWarning")
 def test_access_by_position(index_flat):
     index = index_flat
 

pandas/tests/indexes/test_common.py

@@ -147,6 +147,7 @@ def test_copy_and_deepcopy(self, index_flat):
         new_copy = index.copy(deep=True, name="banana")
         assert new_copy.name == "banana"
 
+    @pytest.mark.filterwarnings(r"ignore:Dtype inference:FutureWarning")
     def test_copy_name(self, index_flat):
         # GH#12309: Check that the "name" argument
         # passed at initialization is honored.

pandas/tests/indexes/test_old_base.py

@@ -485,6 +485,7 @@ def test_delete_base(self, index):
         with pytest.raises(IndexError, match=msg):
             index.delete(length)
 
+    @pytest.mark.filterwarnings(r"ignore:Dtype inference:FutureWarning")
     @pytest.mark.filterwarnings(r"ignore:PeriodDtype\[B\] is deprecated:FutureWarning")
     def test_equals(self, index):
         if isinstance(index, IntervalIndex):

pandas/tests/series/methods/test_map.py

@@ -221,6 +221,7 @@ def test_map_category_string():
     tm.assert_series_equal(a.map(c), exp)
 
 
+@pytest.mark.filterwarnings(r"ignore:Dtype inference:FutureWarning")
 def test_map_empty(request, index):
     if isinstance(index, MultiIndex):
         request.applymarker(