Bug 1019897 - Migrate test_homescreen_move_app.py to new vertical homescreen layout
Bug 1019894 - Migrate test_hs_launch_app.py and test_hs_delete_app.py to vertical homescreen
Bug 1021069 - [Vertical homescreen] Update references to homescreen in test_ftu_*
Bug 1021098 - [vertical homescreen] Update unit tests for vertical homescreen
Bug 1019902 - Disable unmigratable tests test_everythingme_add_collection and test_everythingme_app_install
Bug 1019906 - Xfail test_everythingme_search before migration
Bug 1019905 - Xfail test_everythingme_launch_app before migration
Bug 1021737 - Update test_cleanup_gaia to assert that homescreen scroll to 0 upon touch push
Merge pull request #20148 from zacc/bug_1019891

Bug 1019891