Updated test to make it more reliable
diff --git a/tests/fixtures/grgsm_decode_test1_expected b/tests/fixtures/grgsm_decode_test1_expected
index 1ce6f36..ce19917 100644
--- a/tests/fixtures/grgsm_decode_test1_expected
+++ b/tests/fixtures/grgsm_decode_test1_expected
@@ -1,9 +1,3 @@
-860902 1329872:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
-860906 1330004:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
-860912 1330176:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
-860916 1330308:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
-860922 1330506:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
-860926 1330638:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
 860933 1329237:  59 06 1a 8f 6d 18 10 80 00 00 00 00 00 00 00 00 00 00 00 78 b9 00 00
 860937 1329369:  05 06 20 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
 860943 1329541:  15 06 21 00 01 f0 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b
diff --git a/tests/scripts/decode.sh b/tests/scripts/decode.sh
index 014a5d3..be5a9c3 100755
--- a/tests/scripts/decode.sh
+++ b/tests/scripts/decode.sh
@@ -15,7 +15,7 @@
 cd $TEST_DIR
 cat $CAPFILE | head -c 6000000 > $SHORTENED_CAPFILE
 
-$RUNLINE | tail -n +4 | tee $RESULT_OBTAINED
+$RUNLINE | grep -A 999999 "860933 1329237:  59 06 1a 8f 6d 18 10 80 00 00 00 00 00 00 00 00 00 00 00 78 b9 00 00" | tee $RESULT_OBTAINED
 diff $RESULT_EXPECTED $RESULT_OBTAINED
 TEST_RESULT=$?