diff --git a/devtools/conda-envs/rdkit-examples.yaml b/devtools/conda-envs/rdkit-examples.yaml
index a8cbbc90a..6e6fe4783 100644
--- a/devtools/conda-envs/rdkit-examples.yaml
+++ b/devtools/conda-envs/rdkit-examples.yaml
@@ -37,7 +37,7 @@ dependencies:
   - bson
   - msgpack-python
   - qcelemental
-  - qcportal >=0.15
+  - qcportal ==0.15.8
   - qcengine
   - nbval
   - mdtraj
diff --git a/openff/toolkit/_tests/test_molecule.py b/openff/toolkit/_tests/test_molecule.py
index 3c6d1af27..ea9dc46a8 100644
--- a/openff/toolkit/_tests/test_molecule.py
+++ b/openff/toolkit/_tests/test_molecule.py
@@ -3745,8 +3745,15 @@ def test_visualize_openeye(self):
     )
     def test_ipython_repr_no_nglview(self):
         """Test that the default Molecule repr does not break when nglview is not installed"""
+        from openff.toolkit.utils.toolkits import OPENEYE_AVAILABLE, RDKIT_AVAILABLE
+
         molecule = Molecule().from_smiles("CCO")
-        molecule._ipython_display_()
+
+        if RDKIT_AVAILABLE:
+            # the default is `backend="rdkit"`
+            molecule.visualize()
+        elif OPENEYE_AVAILABLE:
+            molecule.visualize(backend="openeye")
 
     def test_get_coordinates(self):
         from openff.toolkit.utils.viz import _OFFTrajectoryNGLView