update tests

jdaviz/configs/default/plugins/plot_options/tests/test_plot_options.py

@@ -144,7 +144,7 @@ def test_user_api(cubeviz_helper, spectrum1d_cube):
     po = cubeviz_helper.plugins['Plot Options']
 
     assert po.multiselect is False
-    assert "multiselect" in po.viewer.__repr__()
+    assert "multiselect" in po.viewer._obj.__repr__()
 
     # regression test for https://github.com/spacetelescope/jdaviz/pull/1708
     # user calls to select_default should revert even if current entry is valid
@@ -177,9 +177,9 @@ def test_user_api(cubeviz_helper, spectrum1d_cube):
     # check a plot option with and without choices
     assert hasattr(po.stretch_preset, 'choices')
     assert len(po.stretch_preset.choices) > 1
-    assert "choices" in po.stretch_preset.__repr__()
+    assert "choices" in po.stretch_preset._obj.__repr__()
     assert not hasattr(po.image_contrast, 'choices')
-    assert "choices" not in po.image_contrast.__repr__()
+    assert "choices" not in po.image_contrast._obj.__repr__()
 
     # try setting with both label and value
     po.stretch_preset = 90