Use binaries as queue names in tests

Author: Daniil Fedotov

test/cluster_SUITE.erl

@@ -354,7 +354,7 @@ test_spawn_remote() ->
     end.
 
 queue_name(Config, Name) ->
-    Name1 = rabbit_ct_helpers:config_to_testcase_name(Config, Name),
+    Name1 = iolist_to_binary(rabbit_ct_helpers:config_to_testcase_name(Config, Name)),
     queue_name(Name1).
 
 queue_name(Name) ->

test/unit_inbroker_parallel_SUITE.erl

@@ -158,7 +158,7 @@ on_disk_stop(Pid) ->
     end.
 
 queue_name(Config, Name) ->
-    Name1 = rabbit_ct_helpers:config_to_testcase_name(Config, Name),
+    Name1 = iolist_to_binary(rabbit_ct_helpers:config_to_testcase_name(Config, Name)),
     queue_name(Name1).
 
 queue_name(Name) ->