Fixing tests

spec/workers/post_receive_spec.rb

@@ -21,7 +21,6 @@ describe PostReceive do
     it "does not run if the author is not in the project" do
       Key.stub(find_by_id: nil)
-      project.should_not_receive(:observe_push)
       project.should_not_receive(:execute_hooks)
       PostReceive.new.perform(pwd(project), 'sha-old', 'sha-new', 'refs/heads/master', key_id).should be_false
@@ -32,7 +31,6 @@ describe PostReceive do
       project.should_receive(:execute_hooks)
       project.should_receive(:execute_services)
       project.should_receive(:update_merge_requests)
-      project.should_receive(:observe_push)
       PostReceive.new.perform(pwd(project), 'sha-old', 'sha-new', 'refs/heads/master', key_id)
     end