+# OVSDB_CHECK_POSITIVE(TITLE, TEST-OVSDB-ARGS, OUTPUT, [KEYWORDS], [PREREQ])
+#
+# Runs "test-ovsdb TEST-OVSDB-ARGS" and checks that it exits with
+# status 0 and prints OUTPUT on stdout.
+#
+# TITLE is provided to AT_SETUP and KEYWORDS to AT_KEYWORDS. If
+# PREREQ is specified then the test is skipped if the Autoconf version
+# is less than PREREQ.