test(cassandra): fix flaky test

apps/emqx_bridge_cassandra/test/emqx_bridge_cassandra_SUITE.erl

@@ -541,7 +541,9 @@ t_write_failure(Config) ->
         end),
         fun(Trace0) ->
             ct:pal("trace: ~p", [Trace0]),
-            Trace = ?of_kind(buffer_worker_flush_nack, Trace0),
+            Trace = ?of_kind(
+                [buffer_worker_flush_nack, buffer_worker_retry_inflight_failed], Trace0
+            ),
             [#{result := Result} | _] = Trace,
             case Result of
                 {async_return, {error, {resource_error, _}}} ->

apps/emqx_resource/src/emqx_resource_buffer_worker.erl

@@ -403,7 +403,8 @@ retry_inflight_sync(Ref, QueryOrBatch, Data0) ->
                 buffer_worker_retry_inflight_failed,
                 #{
                     ref => Ref,
-                    query_or_batch => QueryOrBatch
+                    query_or_batch => QueryOrBatch,
+                    result => Result
                 }
             ),
             {keep_state, Data1, {state_timeout, ResumeT, unblock}};