Fix quantity comparison test for iraf loader

specutils/tests/test_loaders.py

@@ -15,7 +15,7 @@
 from astropy.wcs import FITSFixedWarning
 from astropy.io.registry import IORegistryError
 from astropy.modeling import models
-
+from astropy.tests.helper import quantity_allclose
 
 from numpy.testing import assert_allclose
 
@@ -166,8 +166,11 @@ def test_iraf_linear(remote_data_path):
     spectrum_1d = Spectrum1D.read(remote_data_path, format='iraf')
 
     assert isinstance(spectrum_1d, Spectrum1D)
-    assert spectrum_1d.wavelength[0] == u.Quantity(3514.56625402, unit='Angstrom')
-    assert spectrum_1d.wavelength[100] == u.Quantity(3514.56625402, unit='Angstrom') + u.Quantity(0.653432383823 * 100, unit='Angstrom')
+    assert quantity_allclose(spectrum_1d.wavelength[0],
+                             u.Quantity(3514.56625402, unit='Angstrom'))
+    assert quantity_allclose(spectrum_1d.wavelength[100],
+                             u.Quantity(3514.56625402, unit='Angstrom') +
+                             u.Quantity(0.653432383823 * 100, unit='Angstrom'))
 
 
 @remote_access([{'id':'3359180', 'filename':'log-linear_fits_solution.fits'}])
@@ -220,4 +223,4 @@ def test_iraf_non_linear_linear_spline(remote_data_path):
 def test_iraf_non_linear_cubic_spline(remote_data_path):
 
     with pytest.raises(NotImplementedError):
-        assert Spectrum1D.read(remote_data_path, format='iraf')
+        assert Spectrum1D.read(remote_data_path, format='iraf')