Add CHANGES note for [GL #4250]

(cherry picked from commit 363677bde7deeabd42ec0817e0f299c081b80053)

diff --git a/CHANGES b/CHANGES
index 05a776a16e6e457b01434125d0609fd0c937046a..2ab97a05e1eb2b95fd745dd4200831acf3769342 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6252.  [test]          Python system tests have to be executed by invoking
+                       pytest directly. Executing them with the legacy test
+                       runner is no longer supported. [GL #4250]
+
 6250.  [bug]           The wrong covered value was being set by
                        dns_ncache_current for RRSIG records in the returned
                        rdataset structure. This resulted in TYPE0 being