add osmo_fsm_inst_state_chg_keep_timer()

Change-Id: I3c0e53b846b2208bd201ace99777f2286ea39ae8
diff --git a/tests/fsm/fsm_test.err b/tests/fsm/fsm_test.err
index 3237def..85606e2 100644
--- a/tests/fsm/fsm_test.err
+++ b/tests/fsm/fsm_test.err
@@ -80,4 +80,24 @@
 Test_FSM(arbitrary_id){NULL}: Terminating (cause = OSMO_FSM_TERM_REQUEST)
 Test_FSM(arbitrary_id){NULL}: Freeing instance
 Test_FSM(arbitrary_id){NULL}: Deallocated
-
\ No newline at end of file
+
+--- test_state_chg_keep_timer()
+Test_FSM{NULL}: Allocated
+Test_FSM{NULL}: state_chg to ONE
+Test_FSM{ONE}: state_chg to TWO
+Test_FSM{TWO}: Terminating (cause = OSMO_FSM_TERM_REQUEST)
+Test_FSM{TWO}: Freeing instance
+Test_FSM{TWO}: Deallocated
+Total time passed: 0.000000 s
+Test_FSM{NULL}: Allocated
+Test_FSM{NULL}: state_chg to ONE
+Total time passed: 2.000342 s
+Test_FSM{ONE}: state_chg to TWO
+Total time passed: 2.000342 s
+Total time passed: 9.999999 s
+Total time passed: 10.000000 s
+Test_FSM{TWO}: Timeout of T10
+Test_FSM{TWO}: Terminating (cause = OSMO_FSM_TERM_REQUEST)
+Test_FSM{TWO}: Freeing instance
+Test_FSM{TWO}: Deallocated
+--- test_state_chg_keep_timer() done