- Added test for self_test()

diff --git a/tests/suites/test_suite_base64.function b/tests/suites/test_suite_base64.function
index 7482db4..6278ac2 100644
--- a/tests/suites/test_suite_base64.function
+++ b/tests/suites/test_suite_base64.function
@@ -34,3 +34,10 @@
     TEST_ASSERT( strcmp( (char *) dst_str, {dst_string} ) == 0 );
 }
 END_CASE
+
+BEGIN_CASE
+base64_selftest:
+{
+    TEST_ASSERT( base64_self_test( 0 ) == 0 );
+}
+END_CASE