TestClientWatchAllAdminPermission intermittent test failure

[Tim Penhey]

From CI jobs:

client_test.go:838:
    if !c.Check(deltas[aIndex], jc.DeepEquals, multiwatcher.Delta{
        Entity: &multiwatcher.RemoteApplicationInfo{
            Name: "remote-db2",
            ModelUUID: s.State.ModelUUID(),
            OfferUUID: "offer-uuid",
            OfferURL: "admin/prod.db2",
            Life: "alive",
            Status: multiwatcher.StatusInfo{
                Current: status.Unknown,
            },
        },
    }) {
        ...
    }
... obtained multiwatcher.Delta = multiwatcher.Delta{Removed:false, Entity:(*multiwatcher.RemoteApplicationInfo)(0xc420a3b540)}
... expected multiwatcher.Delta = multiwatcher.Delta{Removed:false, Entity:(*multiwatcher.RemoteApplicationInfo)(0xc420a3b5e0)}
... mismatch at (*.Entity).Status.Current: unequal; obtained ""; expected "unknown"