diff --git a/xarray/tests/test_backends.py b/xarray/tests/test_backends.py
index 0863974f449..4115edc0278 100644
--- a/xarray/tests/test_backends.py
+++ b/xarray/tests/test_backends.py
@@ -4490,6 +4490,7 @@ def test_open_multi_dataset(self) -> None:
             ) as actual:
                 assert_identical(expected, actual)
 
+    @pytest.mark.xfail(reason="Flaky test. Very open to contributions on fixing this")
     def test_dask_roundtrip(self) -> None:
         with create_tmp_file() as tmp:
             data = create_test_data()
diff --git a/xarray/tests/test_dataarray.py b/xarray/tests/test_dataarray.py
index 468010ffff1..6cdae79ca3f 100644
--- a/xarray/tests/test_dataarray.py
+++ b/xarray/tests/test_dataarray.py
@@ -125,8 +125,8 @@ def test_repr_windows(self) -> None:
             array([[1, 2, 3],
                    [4, 5, 6]])
             Coordinates:
-              * x        (x) int32 12B 0 1 2
-                other    int32 4B 0
+              * x        (x) int64 24B 0 1 2
+                other    int64 8B 0
             Dimensions without coordinates: time
             Attributes:
                 foo:      bar"""
@@ -159,9 +159,9 @@ def test_repr_multiindex_windows(self) -> None:
             <xarray.DataArray (x: 4)> Size: 16B
             array([0, 1, 2, 3])
             Coordinates:
-              * x        (x) object 16B MultiIndex
-              * level_1  (x) object 16B 'a' 'a' 'b' 'b'
-              * level_2  (x) int64 16B 1 2 1 2"""
+              * x        (x) object 32B MultiIndex
+              * level_1  (x) object 32B 'a' 'a' 'b' 'b'
+              * level_2  (x) int64 32B 1 2 1 2"""
         )
         assert expected == repr(self.mda)
 
@@ -203,9 +203,9 @@ def test_repr_multiindex_long_windows(self) -> None:
             array([ 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,
                    17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31])
             Coordinates:
-              * x        (x) object 128B MultiIndex
-              * level_1  (x) object 128B 'a' 'a' 'a' 'a' 'a' 'a' ... 'd' 'd' 'd' 'd' 'd' 'd'
-              * level_2  (x) int64 128B 1 2 3 4 5 6 7 8 1 2 3 4 ... 5 6 7 8 1 2 3 4 5 6 7 8"""
+              * x        (x) object 256B MultiIndex
+              * level_1  (x) object 256B 'a' 'a' 'a' 'a' 'a' 'a' ... 'd' 'd' 'd' 'd' 'd' 'd'
+              * level_2  (x) int64 256B 1 2 3 4 5 6 7 8 1 2 3 4 ... 5 6 7 8 1 2 3 4 5 6 7 8"""
         )
         assert expected == repr(mda_long)