[Test] Disabled a test that requires a feature missing from the old CVODE

interfaces/cython/cantera/test/test_reactor.py

@@ -577,6 +577,9 @@ class TestFlowReactor(utilities.CanteraTest):
             self.assertNear(v0, r.speed)
             self.assertNear(r.distance, v0 * t)
 
+    @unittest.skipUnless(ct._have_sundials(),
+                         "Disabled until there is an interface for setting the "
+                         "max_err_test_fails parameter for the old CVODE")
     def test_reacting(self):
         g = ct.Solution('gri30.xml')
         g.TPX = 1400, 20*101325, 'CO:1.0, H2O:1.0'