Refactor custom field step

features/step_definitions/custom_field_steps.rb

@@ -64,16 +64,11 @@ Given /^the work package "(.+?)" has the custom field "(.+?)" set to "(.+?)"$/ d
   wp = InstanceFinder.find(WorkPackage, wp_name)
   custom_field = InstanceFinder.find(WorkPackageCustomField, field_name)
 
-  set = false
+  custom_value = wp.custom_values.detect {|cv| cv.custom_field_id == custom_field.id}
 
-  wp.custom_values.each do |custom_value|
-    if custom_value.custom_field_id == custom_field.id then
-      set = true
-      custom_value.value = value
-    end
-  end  
-
-  if !set then
+  if custom_value
+    custom_value.value = value
+  else
     wp.custom_values.build(:custom_field => custom_field, :value => value)
   end