Fix test for relative links

tests/test_utils.py

@@ -27,10 +27,11 @@ def test_copy(tmpdir):
 
     filename = 'KeckObservatory20071020.jpg'
     src = os.path.join(SAMPLE_DIR, 'pictures', 'dir2', filename)
+    dst = str(tmpdir.join(filename))
     utils.copy(src, dst, symlink=True, rellink=True)
     assert os.path.islink(dst)
-    assert os.readlink(dst) == src
-
+    assert os.path.join(os.path.dirname(CURRENT_DIR)), os.readlink(dst) == src
+    # get absolute path of the current dir plus the relative dir
 
 def test_check_or_create_dir(tmpdir):
     path = str(tmpdir.join('new_directory'))