COMPAT: test in tests/indexes/interval/test_astype.py failed on arm64

[fangchenli]

_________________ TestFloatSubtype.test_subtype_integer_errors _________________
[gw3] linux -- Python 3.7.9 /home/travis/miniconda3/envs/pandas-dev/bin/python
self = <pandas.tests.indexes.interval.test_astype.TestFloatSubtype object at 0xffff290887d0>
    def test_subtype_integer_errors(self):
        # float64 -> uint64 fails with negative values
        index = interval_range(-10.0, 10.0)
        dtype = IntervalDtype("uint64")
        msg = re.escape(
            "Cannot convert interval[float64] to interval[uint64]; subtypes are "
            "incompatible"
        )
        with pytest.raises(TypeError, match=msg):
>           index.astype(dtype)
E           Failed: DID NOT RAISE <class 'TypeError'>
pandas/tests/indexes/interval/test_astype.py:177: Failed

[mroeschke]

Looks like this is no longer carved out for ARM anymore so closing