Fix missing trailing comma to alleviate fmt errors
Fix missing trailing comma to alleviate fmt errors

Offenses:

test/test_static_file.rb:151:9: C: [Corrected] Style/TrailingCommaInLiteral: Put a comma after the last item of a multiline hash.
        "collection"    => nil
        ^^^^^^^^^^^^^^^^^^^^^^

tillgrallert/jekyll,ryanshaw/jekyll,alex-kovac/jekyll,x-way/jekyll,ryanshaw/jekyll,fulldecent/jekyll,tomjohnson1492/jekyll,x-way/jekyll,gencer/jekyll,jekyll/jekyll,tillgrallert/jekyll,alex-kovac/jekyll,chrisfinazzo/jekyll,Strangehill/jekyll,alex-kovac/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,Strangehill/jekyll,tomjohnson1492/jekyll,chrisfinazzo/jekyll,getandpost/jekyll.github.io,rlugojr/jekyll,tillgrallert/jekyll,Strangehill/jekyll,tillgrallert/jekyll,jekyll/jekyll,tillgrallert/jekyll,rasa2011/rasa2011.github.io,chrisfinazzo/jekyll,tomjohnson1492/jekyll,ryanshaw/jekyll,gencer/jekyll,rasa2011/rasa2011.github.io,alex-kovac/jekyll,Strangehill/jekyll,gencer/jekyll,tomjohnson1492/jekyll,jaybe-jekyll/jekyll,gencer/jekyll,rasa2011/rasa2011.github.io,jekyll/jekyll,getandpost/jekyll.github.io,rlugojr/jekyll,rlugojr/jekyll,jekyll/jekyll,alex-kovac/jekyll,yhironaka/yhironaka.github.io,tomjohnson1492/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,ryanshaw/jekyll,x-way/jekyll,getandpost/jekyll.github.io,Strangehill/jekyll,rlugojr/jekyll,x-way/jekyll,chrisfinazzo/jekyll,jaybe-jekyll/jekyll,gencer/jekyll