QE: Force FQDN check to run locally

There are issues when using only rum() where the command could
potentially be executed inside a container instead of the host. With
this change, we force the execution on the host.

Signed-off-by: Dominik Gedon <dominik.gedon@suse.com>

testsuite/features/step_definitions/command_steps.rb

@@ -13,7 +13,7 @@
 
 Then(/^"([^"]*)" should have a FQDN$/) do |host|
   node = get_target(host)
-  result, return_code = node.run('date +%s; hostname -f; date +%s', check_errors: false)
+  result, return_code = node.run_local('date +%s; hostname -f; date +%s', check_errors: false)
   lines = result.split("\n")
   initial_time = lines[0]
   result = lines[1]