Fixed test:  test_delete_hostgroup
Fixed test: test_delete_user
Fixed test: test_remove_resource
Fixed: test_negative_create_activation_key_2 by updating the description limit from 256 to 1001
Fixed: test_negative_update_activation_key_1
Fixed sync_plan_test: test_positive_create_4
Fixed it and updated with BZ id to block the test
Merge pull request #956 from sghai/fix-tests

Fixed failed tests