last bit of coverage

Author: jcapriot

tests/test_Wrappers.py

@@ -59,6 +59,10 @@ def clean(self):
     Ainv = WrappedClass(A)
     assert Ainv.A is A
     assert Ainv.solver.A is A
+
+    rhs = np.array([0.9, 1.0])
+    npt.assert_equal(Ainv @ rhs, rhs)
+
     Ainv.clean()
     assert Ainv.solver.A is None