Fix some more depend issues
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 9e3dc11..dfd2c96 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -531,7 +531,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
 void rsa_selftest()
 {
     TEST_ASSERT( rsa_self_test( 0 ) == 0 );