Revert "Add a failing test to test travis"

This reverts commit 72aa8fe5e5.

spec/lib/open_food_web/distributor_change_validator_spec.rb

@@ -77,8 +77,4 @@ describe DistributorChangeValidator do
       subject.available_distributors([]).should == []
     end
   end
-
-  it "can fail" do
-    fail
-  end
-end
+end