Merge pull request #15906 from rabbitmq/mergify/bp/v4.2.x/pr-15905

Exclude another test that flakes specifically in mixed version clusters (backport #15904) (backport #15905)

Author: michaelklishin

deps/rabbit/test/rabbit_stream_queue_SUITE.erl

@@ -279,7 +279,8 @@ init_per_testcase(TestCase, Config)
   when TestCase == replica_recovery
        orelse TestCase == leader_failover
        orelse TestCase == leader_failover_dedupe
-       orelse TestCase == recover_after_leader_and_coordinator_kill ->
+       orelse TestCase == recover_after_leader_and_coordinator_kill
+       orelse TestCase == max_age_policy ->
     case rabbit_ct_helpers:is_mixed_versions() of
         true ->
             %% not supported because of machine version difference