1. Create a new user(UA);
2. Create a new private project(PA) by user(UA);
3. Add user(UA) as a member of project(PA) with project-admin role;
4. Push an image to project(PA) by user(UA), then check the project quota usage;
5. Check quota change
6. Delete image, the quota should be changed to 0.
Signed-off-by: wang yan <wangyan@vmware.com>
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