Test failures in astropy.coordinates and astropy.utils when running tests twice #4444

________________________________________________________________________________________________________________ test_distances_scipy _________________________________________________________________________________________________________________

    @pytest.mark.skipif(str('not HAS_SCIPY'))
    def test_distances_scipy():
        """
        The distance-related tests that require scipy due to the cosmology
        module needing scipy integration routines
        """
        from ...cosmology import WMAP5

        #try different ways to initialize a Distance
        d4 = Distance(z=0.23)  # uses default cosmology - as of writing, WMAP7
>       npt.assert_allclose(d4.z, 0.23, rtol=1e-8)
E       AssertionError: 
E       Not equal to tolerance rtol=1e-08, atol=0
E       
E       (mismatch 100.0%)
E        x: array(0.23000000254781977)
E        y: array(0.23)

miniconda3/envs/production/lib/python3.4/site-packages/astropy-1.1.dev14272-py3.4-macosx-10.5-x86_64.egg/astropy/coordinates/tests/test_distance.py:123: AssertionError
_____________________________________________________________________________________________________________________ test_alias ______________________________________________________________________________________________________________________

    def test_alias():
        from ...cosmology import core, WMAP9, WMAP7

        # REMOVE in astropy 0.5

        with catch_warnings() as w:
            x = core.DEFAULT_COSMOLOGY()
>       assert x == WMAP9
E       assert FlatLambdaCDM(name="WMAP7", H0=70.4 km / (Mpc s), Om0=0.272, Tcmb0=2.725 K, Neff=3.04, m_nu=[ 0.  0.  0.] eV, Ob0=0.0455) == FlatLambdaCDM(name="WMAP9", H0=69.3 km / (Mpc s), Om0=0.286, Tcmb0=2.725 K, Neff=3.04, m_nu=[ 0.  0.  0.] eV, Ob0=0.0463)

miniconda3/envs/production/lib/python3.4/site-packages/astropy-1.1.dev14272-py3.4-macosx-10.5-x86_64.egg/astropy/utils/tests/test_state.py:16: AssertionError