https://errors.ubuntu.com/problem/4ffab1fb339140b2c39fa0d096293706399e7280 https://errors.ubuntu.com/problem/d18c1a21ca8ed1bb6cca06ddb5350187bed44f80 --- Test Case: Boot Ubuntu Cosmic Desktop 20180916 on Virtual Box Actual Result Black screen or dropped to the login screen if the user skips ubiq…