Allow arguments to FAIL macro in test.

Change-Id: Ia8f0b7e0d333452f5f7be1b499d7323a62cc037f
diff --git a/test/hftest/hftest_common.c b/test/hftest/hftest_common.c
index 871aa54..1a48c74 100644
--- a/test/hftest/hftest_common.c
+++ b/test/hftest/hftest_common.c
@@ -45,7 +45,7 @@
 	if (hftest_count < HFTEST_MAX_TESTS) {
 		hftest_constructed[hftest_count++] = test;
 	} else {
-		HFTEST_FAIL("Too many tests", true);
+		HFTEST_FAIL(true, "Too many tests");
 	}
 }