fix: persist login sessions for workbench auth

server/store/group_message_runtime_test.go

@@ -171,6 +171,10 @@ func (r *testGroupMessageRuntime) ShortStateExists(namespace, id string) (bool,
 	return r.shortStates[namespace+":"+id], nil
 }
 
+func (r *testGroupMessageRuntime) StoreLoginSession([]byte, LoginSession, time.Duration) error {
+	return nil
+}
+
 func TestLoginTokenRevocation(t *testing.T) {
 	oldRuntime := groupMsgRuntime
 	groupMsgRuntime = newTestGroupMessageRuntime()