Added a selftest about SPA resistance
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index f494f4e..389bc6e 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -194,3 +194,10 @@
     ecp_group_free( &grp );
 }
 END_CASE
+
+BEGIN_CASE
+ecp_selftest:
+{
+    TEST_ASSERT( ecp_self_test( 0 ) == 0 );
+}
+END_CASE