cc @dcherian - I'm hoping this is the only fix needed for the xarray CI failures. Please do let me know if you already have a simple dask.array test handy :)

I confirmed that xarray's CI passes on this branch locally.

I could not create a pure dask.array test, or even a pure xarray test!

I could not create a pure dask.array test, or even a pure xarray test!

I also tried to create a test, and found it really challenging! The xarray test has some very subtle things going on with null checks in a string array that I wasn't able to untangle.

Yes it's breaking on

bool(
    (
        (arr1 == arr2) | (dask.array.isnull(arr1) & dask.array.isnull(arr2))
    ).any()
)

arr1 and arr2 are dask arrays created using from_array with either str or int64 dtypes, and sometimes there is a slice involved. In one case arr1 had unknown shape and chunksize.

Closing in favor of #7042