Issue #8490: adds a more solid test suite for asyncore
diff --git a/Misc/NEWS b/Misc/NEWS
index 8e89c59..f214547 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -211,6 +211,9 @@
 Tests
 -----
 
+- Issue #8490: asyncore now has a more solid test suite which actually tests 
+  its API.
+
 - Issue #8576: Remove use of find_unused_port() in test_smtplib and
   test_multiprocessing.  Patch by Paul Moore.