tbf/test: Add missing function name printfs

Some test function don't have the "=== start/end ===" printfs.

Sponsored-by: On-Waves ehf
diff --git a/tests/tbf/TbfTest.ok b/tests/tbf/TbfTest.ok
index 0ad9ad4..916ea52 100644
--- a/tests/tbf/TbfTest.ok
+++ b/tests/tbf/TbfTest.ok
@@ -1,5 +1,11 @@
 === start test_tbf_base ===
 === end test_tbf_base ===
+=== start test_tbf_tlli_update ===
+=== end test_tbf_tlli_update ===
+=== start test_tbf_final_ack ===
+=== end test_tbf_final_ack ===
+=== start test_tbf_final_ack ===
+=== end test_tbf_final_ack ===
 === start test_tbf_delayed_release ===
 === end test_tbf_delayed_release ===
 === start test_tbf_imsi ===