Merge changes from origin/7.1

Merge changes from origin/7.1

503e575 Fix NullPointerException in logger when message is null (#12588)
d9f6dad Fixed Table range selection IE regression #12407
6453055 Run tests on Tomcat 8 (#12326)
10bcbdc Actually open integration test.
3cba6bf Rebuild OptionGroup on HtmlContentAllowed/Multiselect changes (#10451)
4f3cc4c Converted push test to TB3 (#12226, #12522)
281fc43 Fixed incorrect logging (#12241)
63e16e6 Mark as deprecated to discourage usage for new tests
f488825 Update TB3+ convention to use a separate *Test file
5fb877b Makes test stable and adds helper comparison methods
daf06e9 Use class name and not enclosing class for screenshot name

Change-Id: Ie4557c2003f9cbc121cf287cf6f41bc5eaefe929