using timecop for interactions + whitespaces removed

spec/shared_behaviors/relayable.rb

@@ -9,6 +9,7 @@ describe Diaspora::Relayable do
 
     describe 'interacted_at' do
       it 'sets the interacted at of the parent to the created at of the relayable post' do
+        Timecop.freeze do
           relayable = build_object
           relayable.save
           if relayable.parent.respond_to?(:interacted_at) #I'm sorry.
@@ -16,6 +17,7 @@ describe Diaspora::Relayable do
           end
         end
       end
+    end
 
     describe 'validations' do
       describe 'on :author_id' do