Merge pull request #378 from AndreiH/xfail_screenshot

Xfail uploading an screenshot with invalid format
Removing the screenshot xfail, bug was fixed
Merge pull request #379 from AndreiH/remove_screenshot_xfail

Removing the screenshot xfail, bug was fixed
Xfailing tests due to bug on staging that prevents screenshots from loading
Merge pull request #380 from bobsilverberg/xfail

Xfailing tests due to bug on staging that prevents screenshots from loading
Investigate why marketplace.dev.mobile.saucelabs & stage are failing on Saucelabs
Merge pull request #382 from AndreiH/issue_381

Investigate why marketplace.dev.mobile.saucelabs & stage are failing on ...
Re-enable test_user_can_go_back_from_settings_page on mobile
Merge pull request #385 from AndreiH/enable_back_from_settings

Re-enable test_user_can_go_back_from_settings_page on mobile
Fixing tests that fail on MP.dev (Desktop & Mobile)
Merge pull request #386 from AndreiH/fix_mp_dev

Fixing tests that fail on MP.dev (Desktop & Mobile)
Finding the correct apps for test standards
Merge pull request #387 from AndreiH/correct_apps

Finding the correct apps for test standards
Fix for busted screenshot test
[refactor] Minor test speedup

This is a function that's called fairly often, it seems. This change cuts the number of packets sent to the browser in half for this function if the element is not present on the page (and perhaps decreases the chances of spurious failure)
Issue 381
Merge pull request #390 from AndreiH/xfail_stage_mobile

Issue 381
Baseurl typo
Merge pull request #391 from AndreiH/baseurl_typo

Baseurl typo
Changed the baseurl