Fix some dependencies in tests
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 7201e74..11221a1 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -515,7 +515,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
 void ecp_selftest()
 {
     TEST_ASSERT( ecp_self_test( 0 ) == 0 );