removing test code from implementation

lib/arel/algebra/relations/operations/having.rb

@@ -10,11 +10,5 @@ def initialize(relation, predicates)
     def havings
       @havings ||= relation.havings + predicates
     end
-
-    def == other
-      super || Having === other &&
-               relation == other.relation &&
-               predicates == other.predicates
-    end
   end
 end

lib/arel/algebra/relations/operations/skip.rb

@@ -7,13 +7,6 @@ def initialize relation, skipped
       @skipped = skipped
     end
 
-    def == other
-      super ||
-        Skip === other &&
-        relation == other.relation &&
-        skipped == other.skipped
-    end
-
     def eval
       unoperated_rows[skipped..-1]
     end

spec/algebra/unit/relations/relation_spec.rb

@@ -151,7 +151,10 @@ module Arel
 
       describe '#skip' do
         it "manufactures a skip relation" do
-          @relation.skip(4).should == Skip.new(@relation, 4)
+          skip = @relation.skip(4)
+          skip.relation.should == @relation
+          skip.skipped.should == 4
+          skip.should be_kind_of Skip
         end
 
         describe 'when given a blank number of items' do