diff --git a/apps/emqx_bridge_kafka/test/emqx_bridge_kafka_tests.erl b/apps/emqx_bridge_kafka/test/emqx_bridge_kafka_tests.erl
index f476ded39..395761d48 100644
--- a/apps/emqx_bridge_kafka/test/emqx_bridge_kafka_tests.erl
+++ b/apps/emqx_bridge_kafka/test/emqx_bridge_kafka_tests.erl
@@ -139,6 +139,7 @@ kafka_consumer_test() ->
     ok.
 
 message_key_dispatch_validations_test() ->
+    Name = myproducer,
     Conf0 = kafka_producer_new_hocon(),
     Conf1 =
         Conf0 ++
@@ -155,7 +156,7 @@ message_key_dispatch_validations_test() ->
                     <<"message">> := #{<<"key">> := <<>>}
                 }
         },
-        emqx_utils_maps:deep_get([<<"bridges">>, <<"kafka">>, <<"myproducer">>], Conf)
+        emqx_utils_maps:deep_get([<<"bridges">>, <<"kafka">>, atom_to_binary(Name)], Conf)
     ),
     ?assertThrow(
         {_, [
@@ -166,8 +167,6 @@ message_key_dispatch_validations_test() ->
         ]},
         check(Conf)
     ),
-    %% ensure atoms exist
-    _ = [myproducer],
     ?assertThrow(
         {_, [
             #{
diff --git a/apps/emqx_bridge_pulsar/test/emqx_bridge_pulsar_tests.erl b/apps/emqx_bridge_pulsar/test/emqx_bridge_pulsar_tests.erl
index 031767063..7169ea3d2 100644
--- a/apps/emqx_bridge_pulsar/test/emqx_bridge_pulsar_tests.erl
+++ b/apps/emqx_bridge_pulsar/test/emqx_bridge_pulsar_tests.erl
@@ -11,6 +11,7 @@
 %%===========================================================================
 
 pulsar_producer_validations_test() ->
+    Name = my_producer,
     Conf0 = pulsar_producer_hocon(),
     Conf1 =
         Conf0 ++
@@ -24,7 +25,7 @@ pulsar_producer_validations_test() ->
             <<"strategy">> := <<"key_dispatch">>,
             <<"message">> := #{<<"key">> := <<>>}
         },
-        emqx_utils_maps:deep_get([<<"bridges">>, <<"pulsar_producer">>, <<"my_producer">>], Conf)
+        emqx_utils_maps:deep_get([<<"bridges">>, <<"pulsar_producer">>, atom_to_binary(Name)], Conf)
     ),
     ?assertThrow(
         {_, [
@@ -35,8 +36,6 @@ pulsar_producer_validations_test() ->
         ]},
         check(Conf)
     ),
-    %% ensure atoms exist
-    _ = [my_producer],
     ?assertThrow(
         {_, [
             #{