More cleanup and fixes.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
diff --git a/testcases/kernel/mem/oom/oom02.c b/testcases/kernel/mem/oom/oom02.c
index 71305c7..68ed1ef 100644
--- a/testcases/kernel/mem/oom/oom02.c
+++ b/testcases/kernel/mem/oom/oom02.c
@@ -81,6 +81,7 @@
 		testoom(0, 0, 1);
 	}
 	cleanup();
+	tst_exit();
 }
 
 void setup(void)