Adding five test cases into the 'zone export' test suite.

1) "test_create_zone_export_using_invalid_zone_id"
   Zone export should fail if provided UUID is invalid

2) "test_show_zone_export_impersonate_another_project"
   Admin user is able to impersonate another project
   and to "show" created by tenant exports.
   Note: based on: 'x-auth-sudo-project-id' HTTP header.

3) "test_list_zone_exports_all_projects"
   Use admin client to list the created exports of
   all tenants.
   Note: based on: "x-auth-all-projects" HTTP header.

4) "test_export_not_yours_zone"
   Each particular tenant should be able to create an export
   for his owned zones only.

5) "test_create_zone_export_using_deleted_zone"
   Tenant shouldn't be able to create a zone export  for
   non-existing zone.

Change-Id: I98b860fd270e4fad1ab9cc15b3fa47dcbf0361d4
2 files changed