I have a dog savvy cat but a little too far I think (and he's a little too savvy, false tests because he acts like a dog, hehe). Have you tried local rescues? Many have a cat that they use for tests who behaves appropriately.
Sorry...yes we did but not locally...we went to another rescue who have cats....it was a two hour round trip though so if anyone in the Stafford / Stone area is able to tell in the future it would really help.
The trip was worth it as Romeo behaved very well and well enough to trust him to go on home trial with two feline friends with careful introductions...fingerscrossed 😊