Correcting test fixture path
diff --git a/test/tests/decode.sh b/test/tests/decode.sh
index 02ca6ae..d06e98b 100755
--- a/test/tests/decode.sh
+++ b/test/tests/decode.sh
@@ -10,7 +10,7 @@
 gnuradio-companion --version
 
 $RUNLINE | tail -n +2 | tee grgsm_decode_test1_result
-diff grgsm_decode_test1_result $TEST_CONTROL_DIRECTORY/grgsm_decode_test1_expected
+diff grgsm_decode_test1_result $TEST_FIXTURES_DIRECTORY/grgsm_decode_test1_expected
 TEST_RESULT=$?
 
 rm grgsm_decode_test1_result