CLI: Silence status command test

This check is expected to succeed and the status is expected to be
printed to stdout rather than stderr. This change silences the status
output. The status text was printed mistakenly previously because we
captured stderr rather than stdout.

(cherry picked from commit 9f60325)

Author: the-mikedavis

deps/rabbitmq_cli/test/rabbitmqctl_test.exs

@@ -121,7 +121,7 @@ defmodule RabbitMQCtlTest do
 
   test "short node name without the host part connects properly" do
     command = ["status", "-n", "rabbit"]
-    capture_io(:stderr, fn -> error_check(command, exit_ok()) end)
+    capture_io(:stdio, fn -> error_check(command, exit_ok()) end)
   end
 
   test "a non-existent command results in help message displayed" do