TestActorEgress fails at head

[zoez7]

Example workflow: https://github.com/agent-substrate/substrate/actions/runs/31510300327/job/93848899189?pr=857

=== RUN   TestActorEgress
    networking_test.go:94: creating actor networking-e2e/egress-1786465982324397638
    networking_test.go:94: CreateActor from ate-demo-egress/egress: rpc error: code = FailedPrecondition desc = ActorTemplate ate-demo-egress/egress not found (deploy the fixture with --deploy-demo-egress)
--- FAIL: TestActorEgress (0.01s)