Some of the new maude decom tests don't pass on 32bit

[jeanconn]

Some of the new maude decom tests don't pass on 32bit (looks numeric).

I don't care but figured I'd capture in an issue. I can't remember which maude test was failing in our last 32 bit release.

=================================== FAILURES ===================================
_______________________________ test_vcdu_0_raw ________________________________

    def test_vcdu_0_raw():
        data = maude_decom.get_raw_aca_packets(176267186, 176267186)
        assert data['flags'] == 0
        for key in ['TIME', 'MJF', 'MNF', 'packets']:
            assert len(data[key]) == 0

        ref_data = test_data['686111007-686111017']['raw']
        data = maude_decom.get_raw_aca_packets(686111007, 686111017)
        for key in ['TIME', 'MJF', 'MNF']:
>           assert np.all(data[key] == ref_data[key])
E           assert False
E            +  where False = <function all at 0xb75d1584>(array([  6.86...86111016e+08]) == array([  6.861...86111016e+08])

E            +    where <function all at 0xb75d1584> = np.all
E               Full diff:
E               array([  6.86111007e+08,   6.86111008e+08,   6.86111009e+08,
E               6.86111010e+08,   6.86111011e+08,   6.86111012e+08,
E               6.86111013e+08,   6.86111014e+08,   6.86111015e+08,
E               6.86111016e+08]))

chandra_aca/tests/test_maude_decom.py:26: AssertionError
_____________________________ test_vcdu_vs_level0 ______________________________

    def test_vcdu_vs_level0():
        from astropy.table import Table

        start, stop = (686111020, 686111030)

        table = maude_decom.get_aca_packets(start, stop, level0=True)

        table2 = maude_decom.get_aca_images(start, stop)
        assert np.all(table == table2)

        raw = test_data[f'686111010-686111040']['raw']
        table2 = maude_decom._get_aca_packets(raw, start, stop,
                                              combine=True, adjust_time=True, calibrate=True)
>       assert np.all(table == table2)
E       AssertionError: assert False
E        +  where False = <function all at 0xb75d1584>(<Table masked...      -- .. -- == <Table masked=...      -- .. --
E        +    where <function all at 0xb75d1584> = np.all
E           Full diff:
E           <Table masked=True length=34>
E           TIME      MJF    MNF   ... IMGCOL0_8X8 END_INTEG_TIME      IMG [8,8]
E           float64    uint32 uint32 ...    int16       float64           float64
E           ------------- ------ ------ ... ----------- -------------- --------------------
E           686111020.693   8581     28 ...        -169  686111021.541  21.5625 .. 28.71875
E           686111024.793   8581     44 ...        -169  686111025.641   22.1875 .. 22.1875...
E           
E           ...Full output truncated (13 lines hidden), use '-vv' to show)

chandra_aca/tests/test_maude_decom.py:150: AssertionError