Add missing dependencies

Author: astrofrog

tox.ini

@@ -30,7 +30,14 @@ deps =
     # in a way that is not compatible with pytest-astropy
     # https://github.com/astropy/astropy-healpix/issues/160
     git+https://github.com/spacetelescope/gwcs#egg_name=gwcs
+    astroquery[test,all]
+    ccdproc[test,all]
+    photutils[test,all]
+    regions[test,all]
+    reproject[test,all]
     git+https://github.com/astropy/specutils#egg_name=specutils[all,test]
+    sunpy[test,all]
+    lightkurve[test,all]
 skip_install = true
 commands =
     pip freeze