(fix): allow more data types through

Author: ilan-gold

xarray/tests/test_variable.py

@@ -673,9 +673,7 @@ def test_pandas_datetime64_with_tz(self):
         )
         v = self.cls("x", data)
         print(v)  # should not error
-        if "America/New_York" in str(data.dtype):
-            # pandas is new enough that it has datetime64 with timezone dtype
-            assert v.dtype == "object"
+        assert v.dtype == data.dtype
 
     def test_multiindex(self):
         idx = pd.MultiIndex.from_product([list("abc"), [0, 1]])
@@ -3027,7 +3025,7 @@ def test_pandas_two_only_datetime_conversion_warnings(
     var = Variable(["time"], data.astype(dtype))  # type: ignore[arg-type]
 
     if var.dtype.kind == "M":
-        assert var.dtype == np.dtype("datetime64[s]")
+        assert var.dtype == dtype
     else:
         # The only case where a non-datetime64 dtype can occur currently is in
         # the case that the variable is backed by a timezone-aware