Bug 1070681 - [communications] unit test refactoring for new version chai.assert api

test_agent used very old version chai library version=0.5.3
in the current version=1.9.1 deepEqual take prototype into consideration - problem with tone.url

contacts/test/unit/views/details_test.js
650: assert.include(dom.innerHTML, contact.photo[0]);

in old version chaijs this assert do nothing, in new version - fail!