Revert "Merge pull request #2952 from evazion/fix-2950"

This reverts commit ae4509a541197684bfb0538f65afa827854b4335, reversing
changes made to eb008a0e765e231a8fdef594759a61798d6bd1d5.

test/unit/pool_test.rb

@@ -244,6 +244,7 @@ class PoolTest < ActiveSupport::TestCase
         @pool.update(name: "blah")
         assert_equal("blah", @pool.versions.last.name)
       end
+      assert_equal(2, @pool.versions.size)
     end
 
     should "know what its post ids were previously" do