Make the tests more predictable

Author: ShimShtein

lib/foreman_rh_cloud/engine.rb

@@ -257,6 +257,6 @@ def self.ca_cert
   end
 
   def self.on_prem_smart_proxy_features
-    ['insights']
+    ['Insights']
   end
 end

test/controllers/insights_cloud/api/cloud_request_controller_test.rb

@@ -51,8 +51,7 @@ class CloudRequestControllerTest < ActionController::TestCase
       mock_composer = mock('composer')
       ::JobInvocationComposer.expects(:for_feature).with do |feature, host_ids, params|
         feature == :rh_cloud_connector_run_playbook &&
-        host_ids.first == host1.id &&
-        host_ids.last == host2.id
+        host_ids.sort == [host1.id, host2.id].sort
       end.returns(mock_composer)
       mock_composer.expects(:trigger!)
       mock_composer.expects(:job_invocation)