This test verifies that a detectable focus indicator is drawn when a default path is provided the associated fallback element has focus and the system is in a high contrast mode. This test requires you to configure your desktop environment for high contrast mode. This test passes if a focus indicator is clearly visible when in high contrast mode (square).
The following instructions should give you enough information to put your desktop environmnet in High Contrast mode. Requirements for your particular environment may differ from the instructions provided: