Merge pull request #6004 from lest/patch-1

remove calls to deprecated find(:first) in actionpack test suite

actionpack/test/activerecord/render_partial_with_record_identification_test.rb

@@ -16,7 +16,7 @@ def render_with_scope
   end
 
   def render_with_has_many_through_association
-    @developer = Developer.find(:first)
+    @developer = Developer.first
     render :partial => @developer.topics
   end
 
@@ -31,7 +31,7 @@ def render_with_belongs_to_association
   end
 
   def render_with_record
-    @developer = Developer.find(:first)
+    @developer = Developer.first
     render :partial => @developer
   end