Revert "Rubinius does not work when stubbing out DateTime.now or Date…

….today"

This reverts commit 69c18b9.

The bug has been fix in Rubinius in latest master

spec/integration/timestamps_spec.rb

@@ -46,22 +46,18 @@
         green_smoothie.save
         green_smoothie.updated_at.should be_a_kind_of(DateTime)
         green_smoothie.updated_on.should be_a_kind_of(Date)
-
-        # rubinius does not work with rspec class method stubs
-        unless defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
-          original_updated_at = green_smoothie.updated_at
-          original_updated_on = green_smoothie.updated_on
-          time_tomorrow = DateTime.now + 1
-          date_tomorrow = Date.today + 1
-          DateTime.stub!(:now).and_return { time_tomorrow }
-          Date.stub!(:today).and_return { date_tomorrow }
-          green_smoothie.name = 'Cranberry Mango'
-          green_smoothie.save
-          green_smoothie.updated_at.should_not eql(original_updated_at)
-          green_smoothie.updated_on.should_not eql(original_updated_on)
-          green_smoothie.updated_at.should eql(time_tomorrow)
-          green_smoothie.updated_on.should eql(date_tomorrow)
-        end
+        original_updated_at = green_smoothie.updated_at
+        original_updated_on = green_smoothie.updated_on
+        time_tomorrow = DateTime.now + 1
+        date_tomorrow = Date.today + 1
+        DateTime.stub!(:now).and_return { time_tomorrow }
+        Date.stub!(:today).and_return { date_tomorrow }
+        green_smoothie.name = 'Cranberry Mango'
+        green_smoothie.save
+        green_smoothie.updated_at.should_not eql(original_updated_at)
+        green_smoothie.updated_on.should_not eql(original_updated_on)
+        green_smoothie.updated_at.should eql(time_tomorrow)
+        green_smoothie.updated_on.should eql(date_tomorrow)
       end
 
       it "should only set the updated_at/on fields on dirty objects" do
@@ -71,39 +67,32 @@
         green_smoothie.save
         green_smoothie.updated_at.should be_a_kind_of(DateTime)
         green_smoothie.updated_on.should be_a_kind_of(Date)
+        original_updated_at = green_smoothie.updated_at
+        original_updated_on = green_smoothie.updated_on
+        time_tomorrow = DateTime.now + 1
+        date_tomorrow = Date.today + 1
+        DateTime.stub!(:now).and_return { time_tomorrow }
+        Date.stub!(:today).and_return { date_tomorrow }
+        green_smoothie.save
+        green_smoothie.updated_at.should_not eql(time_tomorrow)
+        green_smoothie.updated_on.should_not eql(date_tomorrow)
+        green_smoothie.updated_at.should eql(original_updated_at)
+        green_smoothie.updated_on.should eql(original_updated_on)
+      end
+
+      describe '#touch' do
+        it 'should update the updated_at/on fields' do
+          green_smoothie = GreenSmoothie.create(:name => 'Mango')
 
-        # rubinius does not work with rspec class method stubs
-        unless defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
-          original_updated_at = green_smoothie.updated_at
-          original_updated_on = green_smoothie.updated_on
           time_tomorrow = DateTime.now + 1
           date_tomorrow = Date.today + 1
           DateTime.stub!(:now).and_return { time_tomorrow }
           Date.stub!(:today).and_return { date_tomorrow }
-          green_smoothie.save
-          green_smoothie.updated_at.should_not eql(time_tomorrow)
-          green_smoothie.updated_on.should_not eql(date_tomorrow)
-          green_smoothie.updated_at.should eql(original_updated_at)
-          green_smoothie.updated_on.should eql(original_updated_on)
-        end
-      end
-
-      describe '#touch' do
-        # rubinius does not work with rspec class method stubs
-        unless defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
-          it 'should update the updated_at/on fields' do
-            green_smoothie = GreenSmoothie.create(:name => 'Mango')
 
-            time_tomorrow = DateTime.now + 1
-            date_tomorrow = Date.today + 1
-            DateTime.stub!(:now).and_return { time_tomorrow }
-            Date.stub!(:today).and_return { date_tomorrow }
-
-            green_smoothie.touch
+          green_smoothie.touch
 
-            green_smoothie.updated_at.should eql(time_tomorrow)
-            green_smoothie.updated_on.should eql(date_tomorrow)
-          end
+          green_smoothie.updated_at.should eql(time_tomorrow)
+          green_smoothie.updated_on.should eql(date_tomorrow)
         end
 
         it 'should not update the created_at/on fields' do