Core: Propagate URL query key-value pairs present in QUnit.config.urlCon...

Core: Propagate URL query key-value pairs present in QUnit.config.urlConfig to suites.

What this commit do was done separatelly before, for example in jQuery UI Test Suite: https://raw.githubusercontent.com/jquery/jquery-ui/6df127a0b591d2a1437361f9cb6f3524a7b2e111/tests/unit/all.html

I think this should be the default way of handling top frame query string. I can't think of any scenario where this wouldn't be the desired behaviour.