docs: reorder & testing

gateway/internal/grpcapi/session_lookup.go

@@ -123,4 +123,7 @@ func (unavailableSessionCache) Lookup(context.Context, string) (session.Record,
 	return session.Record{}, errors.New("session cache is unavailable")
 }
 
+func (unavailableSessionCache) MarkRevoked(string)         {}
+func (unavailableSessionCache) MarkAllRevokedForUser(string) {}
+
 var _ gatewayv1.EdgeGatewayServer = sessionLookupService{}

gateway/internal/grpcapi/session_lookup_integration_test.go

@@ -292,3 +292,6 @@ type staticSessionCache struct {
 func (c staticSessionCache) Lookup(ctx context.Context, deviceSessionID string) (session.Record, error) {
 	return c.lookupFunc(ctx, deviceSessionID)
 }
+
+func (staticSessionCache) MarkRevoked(string)         {}
+func (staticSessionCache) MarkAllRevokedForUser(string) {}