Add (broken) test case for Padrinos javascript_include_tag helper.

Finished tests in 4.508343s, 100.9240 tests/s, 249.0937 assertions/s.

    1) Failure:
    AssetTagHelpers::for #javascript_include_tag method#test_0007_not scramble the query string
    [/home/bascht/Documents/Code/padrino-framework/padrino-helpers/test/test_asset_tag_helper s.rb:300]:
    expected following output to contain a <script src='https://maps.googleapis.com/maps/api/js?key=value&sensor=false'/> tag:
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
    "http://www.w3.org/TR/REC-html40/loose.dtd">
    <html><head><script
    src="https://maps.googleapis.com/maps/api/js?key=value&amp;sensor=false.js"
    type="text/javascript"></script></head></html>