[Testing] Re-enable BlankScreenOnNavigationBack test

[jsuarezruiz]

Description

Flaky test, failing on Android.

The cause is the scrollbar visible only temporarily.

Steps to Reproduce

No response

Link to public reproduction project repository

No response

Version with bug

9.0.40 SR4

Is this a regression from previous behavior?

No, this is something new

Last version that worked well

Unknown/Other

Affected platforms

Android

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output