remove useless duplication in include test
Merge pull request #11549 from dmathieu/test_duplication

Remove duplication in include test
Removed random dot in code sample [ci skip]
Merge pull request #11551 from skammer/patch-1

Removed random dot in ActionController docs [ci skip]
syntax fix for f.select doc.  [ci skip] .

removed unnecessary hash brackets for f.select. [ci skip] .

minor