fix failing test

Author: mesejo

xarray/tests/test_dataset.py

@@ -1024,14 +1024,14 @@ def test_isel(self):
             data.isel(not_a_dim=slice(0, 2))
         with raises_regex(
             ValueError,
-            r"dimensions {'not_a_dim'} do not exist. Expected "
+            r"Dimensions {'not_a_dim'} do not exist. Expected "
             r"one or more of "
             r"[\w\W]*'time'[\w\W]*'dim\d'[\w\W]*'dim\d'[\w\W]*'dim\d'[\w\W]*",
         ):
             data.isel(not_a_dim=slice(0, 2))
         with pytest.warns(
             UserWarning,
-            match=r"dimensions {'not_a_dim'} do not exist. "
+            match=r"Dimensions {'not_a_dim'} do not exist. "
             r"Expected one or more of "
             r"[\w\W]*'time'[\w\W]*'dim\d'[\w\W]*'dim\d'[\w\W]*'dim\d'[\w\W]*",
         ):

xarray/tests/test_variable.py

@@ -1270,13 +1270,13 @@ def test_isel(self):
         assert_identical(v.isel(time=[]), v[[]])
         with raises_regex(
             ValueError,
-            r"dimensions {'not_a_dim'} do not exist. Expected one or more of "
+            r"Dimensions {'not_a_dim'} do not exist. Expected one or more of "
             r"\('time', 'x'\)",
         ):
             v.isel(not_a_dim=0)
         with pytest.warns(
             UserWarning,
-            match=r"dimensions {'not_a_dim'} do not exist. Expected one or more of "
+            match=r"Dimensions {'not_a_dim'} do not exist. Expected one or more of "
             r"\('time', 'x'\)",
         ):
             v.isel(not_a_dim=0, missing_dims="warn")