Initial set of tests for BOOMR_check_document_domain
Initial set of tests for BOOMR_check_document_domain

 This test-suite is supposed to test the global function
 `BOOMR_check_document_domain` function which is necessary for iframe
 traversal should boomerang be called inside an iframe. It is not
 complete and will need investigation into mocking iframes.

lognormal/boomerang,levexis/boomerang,sdgdsffdsfff/boomerang,FredXue/boomerang,lognormal/boomerang,FredXue/boomerang,sdgdsffdsfff/boomerang,levexis/boomerang