Fix some dependencies in tests
diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index 892036b..676412f 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -479,7 +479,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
 void cipher_selftest()
 {
     TEST_ASSERT( cipher_self_test( 0 ) == 0 );