Improve cucumber test based on container requirements

testsuite/features/core/allcli_sanity.feature

@@ -6,8 +6,7 @@ Feature: Sanity checks
   I want to be sure to use a sane environment
 
   Scenario: The server is healthy
-    Then "server" should have a FQDN
-    And reverse resolution should work for "server"
+    Then reverse resolution should work for "server"
     And the clock from "server" should be exact
     And service "apache2" is enabled on "server"
     And service "apache2" is active on "server"

testsuite/features/step_definitions/command_steps.rb

@@ -454,7 +454,7 @@
 
 When(/^I fetch "([^"]*)" to "([^"]*)"$/) do |file, host|
   node = get_target(host)
-  node.run("wget http://#{$server.full_hostname}/#{file}")
+  node.run("curl -s -O http://#{$server.full_hostname}/#{file}")
 end
 
 When(/^I wait until file "([^"]*)" contains "([^"]*)" on server$/) do |file, content|

testsuite/features/step_definitions/navigation_steps.rb

@@ -452,9 +452,8 @@
     system_name = get_system_name(host)
   rescue
     raise "Host #{host} not found" if if_present.empty?
-
     log "Host #{host} is not deployed, not trying to select it"
-    return
+    next
   end
   step %(I select "#{system_name}" from "#{field}")
 end

testsuite/features/support/twopence_init.rb

@@ -199,13 +199,8 @@ def get_system_name(host)
   when 'containerized_proxy'
     system_name = $proxy.full_hostname.sub('pxy', 'pod-pxy')
   else
-    begin
-      node = get_target(host)
-      system_name = node.full_hostname
-    rescue RuntimeError
-      # If the node for that host is not defined, just return the host parameter as system_name
-      system_name = host
-    end
+    node = get_target(host)
+    system_name = node.full_hostname
   end
   system_name
 end