fix(bridge): use the same dry run prefix

Kafka Producer and Consumer bridges rely on this prefix for detecting
a dry run and avoid leaking atoms.  At some point, this prefix was
changed, effectively disabling the check in Kafka Producer.

apps/emqx_bridge/rebar.config

@@ -1,5 +1,7 @@
 {erl_opts, [debug_info]}.
-{deps, [{emqx, {path, "../emqx"}}]}.
+{deps, [ {emqx, {path, "../emqx"}}
+       , {emqx_resource, {path, "../../apps/emqx_resource"}}
+       ]}.
 
 {shell, [
     % {config, "config/sys.config"},

apps/emqx_bridge/src/emqx_bridge_resource.erl

@@ -16,6 +16,7 @@
 -module(emqx_bridge_resource).
 
 -include_lib("emqx/include/logger.hrl").
+-include_lib("emqx_resource/include/emqx_resource.hrl").
 
 -export([
     bridge_to_resource_type/1,
@@ -224,7 +225,7 @@ recreate(Type, Name, Conf, Opts) ->
     ).
 
 create_dry_run(Type, Conf0) ->
-    TmpPath0 = iolist_to_binary(["bridges-create-dry-run:", emqx_misc:gen_id(8)]),
+    TmpPath0 = iolist_to_binary([?TEST_ID_PREFIX, emqx_misc:gen_id(8)]),
     TmpPath = emqx_misc:safe_filename(TmpPath0),
     Conf = emqx_map_lib:safe_atom_key_map(Conf0),
     case emqx_connector_ssl:convert_certs(TmpPath, Conf) of

apps/emqx_resource/include/emqx_resource.hrl

@@ -119,5 +119,5 @@
 -define(AUTO_RESTART_INTERVAL, 60000).
 -define(AUTO_RESTART_INTERVAL_RAW, <<"60s">>).
 
--define(TEST_ID_PREFIX, "_test_:").
+-define(TEST_ID_PREFIX, "_test-create-dry-run:").
 -define(RES_METRICS, resource_metrics).