fix tests: update the error message

Author: natmokval

pandas/tests/frame/indexing/test_indexing.py

@@ -564,9 +564,10 @@ def test_getitem_setitem_integer_slice_keyerrors(self):
 
         # non-monotonic, raise KeyError
         df2 = df.iloc[list(range(5)) + list(range(5, 10))[::-1]]
-        with pytest.raises(KeyError, match=r"^3$"):
+        msg = "non-monotonic index with a non-specific label: 3"
+        with pytest.raises(KeyError, match=msg):
             df2.loc[3:11]
-        with pytest.raises(KeyError, match=r"^3$"):
+        with pytest.raises(KeyError, match=msg):
             df2.loc[3:11] = 0
 
     def test_fancy_getitem_slice_mixed(self, float_frame, float_string_frame):

pandas/tests/indexes/numeric/test_indexing.py

@@ -600,10 +600,11 @@ def test_slice_locs_na(self):
 
     def test_slice_locs_na_raises(self):
         index = Index([np.nan, 1, 2])
-        with pytest.raises(KeyError, match="1.5"):
+        msg = "non-monotonic index with a non-specific label: 1.5"
+        with pytest.raises(KeyError, match=msg):
             index.slice_locs(start=1.5)
 
-        with pytest.raises(KeyError, match="1.5"):
+        with pytest.raises(KeyError, match=msg):
             index.slice_locs(end=1.5)
 
 

pandas/tests/indexing/test_loc.py

@@ -3162,9 +3162,10 @@ def test_loc_getitem_setitem_integer_slice_keyerrors(self):
 
         # non-monotonic, raise KeyError
         s2 = ser.iloc[list(range(5)) + list(range(9, 4, -1))]
-        with pytest.raises(KeyError, match=r"^3$"):
+        msg = "non-monotonic index with a non-specific label: 3"
+        with pytest.raises(KeyError, match=msg):
             s2.loc[3:11]
-        with pytest.raises(KeyError, match=r"^3$"):
+        with pytest.raises(KeyError, match=msg):
             s2.loc[3:11] = 0
 
     def test_loc_getitem_iterator(self, string_series):