test: fix test sanitization (#5515)
test: fix test sanitization (#5515)

This was regressed in https://github.com/microsoft/playwright/pull/5502

Three pause tests are broken: https://devops.aslushnikov.com/flakiness2.html#timestamp=1613756319661


microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright,microsoft/playwright