Converted Http\Response tests to BDD
Merge remote-tracking branch 'upstream/2.0.0' into 2.0.0
Added Http Response Headers BDD tests
Merge remote-tracking branch 'upstream/2.0.0' into 2.0.0
Corrected Url tests; Started translating Url/Assets to BDD
Merge pull request #2881 from niden/2.0.0

Test corrections