Fix a few selftest typos
diff --git a/tests/suites/test_suite_arc4.function b/tests/suites/test_suite_arc4.function
index 759b0c2..73df59e 100644
--- a/tests/suites/test_suite_arc4.function
+++ b/tests/suites/test_suite_arc4.function
@@ -34,7 +34,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
+/* BEGIN_CASE depends_on:POLARSSL_SELF_TEST */
 void arc4_selftest()
 {
     TEST_ASSERT( arc4_self_test( 0 ) == 0 );