EGPRS: add test case to show LI decoding bug

This patch adds a test case test_tbf_li_decoding which
expects a current bug with LI decoding for row 4 of Table 10.4.14a.1
in 44.060 version 7.27.0 Release 7.
The test's expectation is corrected along with the bug
fix in a subsequent commit

Related: OS#1811

Change-Id: Ida410dab1aa4b0cf3e15b2090586377eb19b2469
diff --git a/tests/tbf/TbfTest.ok b/tests/tbf/TbfTest.ok
index 13ad362..eb870ea 100644
--- a/tests/tbf/TbfTest.ok
+++ b/tests/tbf/TbfTest.ok
@@ -64,3 +64,5 @@
 === end test_tbf_puan_urbb_len ===
 === start test_tbf_update_ws ===
 === end test_tbf_update_ws ===
+=== start test_tbf_li_decoding ===
+=== end test_tbf_li_decoding ===