test(e2e): traffic route test with default tr policy (backport of #11523)

[kumahq]

Automatic cherry-pick of #11523 for branch release-2.5

Generated by action

cherry-picked commit a060222
⚠️ ⚠️ ⚠️ Conflicts happened when cherry-picking! ⚠️ ⚠️ ⚠️

On branch release-2.5
Your branch is up to date with 'origin/release-2.5'.

You are currently cherry-picking commit a06022240.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   test/e2e_env/universal/trafficroute/traffic_route.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   test/e2e_env/universal/universal_suite_test.go