diff --git a/app/controllers/foreman_xen/cache_controller.rb b/app/controllers/foreman_xen/cache_controller.rb
index aad5b7c..c7832d3 100644
--- a/app/controllers/foreman_xen/cache_controller.rb
+++ b/app/controllers/foreman_xen/cache_controller.rb
@@ -6,9 +6,7 @@ class CacheController < ::ApplicationController
     def refresh
       type = params[:type]
 
-      unless cache_attribute_whitelist.include?(type)
-        process_error(:error_msg => "Error refreshing cache. #{type} is not a white listed attribute")
-      end
+      process_error(:error_msg => "Error refreshing cache. #{type} is not a white listed attribute") unless cache_attribute_whitelist.include?(type)
 
       unless @compute_resource.respond_to?("#{type}!")
         process_error(:error_msg => "Error refreshing cache. Method '#{type}!' not found for compute resource" +
diff --git a/test/test_helper.rb b/test/test_helper.rb
index c404f18..21eb0b8 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -10,6 +10,4 @@
 Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each { |f| require f }
 
 # Load fixtures from the engine
-if ActiveSupport::TestCase.method_defined?(:fixture_path=)
-  ActiveSupport::TestCase.fixture_path = File.expand_path('fixtures', __dir__)
-end
+ActiveSupport::TestCase.fixture_path = File.expand_path('fixtures', __dir__) if ActiveSupport::TestCase.method_defined?(:fixture_path=)