VIRO-3727: test fix make the occluded portal bigger and red
VIRO-3727: test fix make the occluded portal bigger and red

This way it's more clear there's a portal hiding behind
the surfing video portal, and it matches the test sheet.


Former-commit-id: 9ad751b3f1a6b040b6d060440655351e00839025
viromedia/viro,viromedia/viro,viromedia/viro,viromedia/viro