diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
new file mode 100644
index 0000000..9e2f183
--- /dev/null
+++ b/tests/tbf/TbfTest.err
@@ -0,0 +1,3 @@
+TBF(TFI=0 TLLI=0x00000000 DIR=DL) changing tlli from TLLI=0x00000000 TLLI=0x00002342 ul_changed=0
+TBF(TFI=0 TLLI=0x00000000 DIR=UL) changing tlli from TLLI=0x00000000 TLLI=0x00002342 ul_changed=0
+TBF(TFI=0 TLLI=0x00002342 DIR=DL) changing tlli from TLLI=0x00002342 TLLI=0x00004232 ul_changed=1