diff --git a/tests/testsuite.at b/tests/testsuite.at
index 63027d9..f148cf5 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -280,3 +280,9 @@
 cat $abs_srcdir/sercomm/sercomm_test.ok > expout
 AT_CHECK([$abs_top_builddir/tests/sercomm/sercomm_test], [0], [expout], [ignore])
 AT_CLEANUP
+
+AT_SETUP([prbs])
+AT_KEYWORDS([prbs])
+cat $abs_srcdir/prbs/prbs_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/prbs/prbs_test], [0], [expout], [ignore])
+AT_CLEANUP