Totals dictionary with OpenMDAO >=3.31 has promoted names as keys

openaerostruct/tests/test_multipoint_parallel.py

@@ -387,10 +387,17 @@ def test_multipoint_MPI(self):
             print("Analysis runtime: ", run_model_time, "[s]")
             print("Derivatives runtime: ", derivs_time, "[s]")
 
+        # OpenMDAO versions before 3.31 use absolute names as dictionary keys, but versions after
+        # use user facing (promoted) names. Handle both cases here.
+        try:
+            deriv_fuel_sum_spar_thickness = totals[("fuel_sum.fuel_sum", "wing.spar_thickness_cp")]
+        except KeyError:
+            deriv_fuel_sum_spar_thickness = totals[("fuel_sum", "wing.spar_thickness_cp")]
+
         assert_near_equal(MPI.COMM_WORLD.size, 2, 1e-8)
-        assert_near_equal(prob.get_val("fuel_sum.fuel_sum", units="kg"), 5649.1290836, 1e-5)
+        assert_near_equal(prob.get_val("fuel_sum", units="kg"), 5649.1290836, 1e-5)
         assert_near_equal(
-            totals[("fuel_sum.fuel_sum", "wing.spar_thickness_cp")],
+            deriv_fuel_sum_spar_thickness,
             np.array([[1712.12137573, 2237.99650867, 3036.45032547, 5065.16727605]]),
             1e-5,
         )