Fix trusted-scoring-signals.https.window.js test variant.
It was running tests 41-45, 45-50 and then 50-52, which means tests
45 and 50 were in two different variants, so each was run twice.
Bug: None
Change-Id: I4d9b628fe369fdb438253c3b4a925a463647eb72
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5954791
Reviewed-by: Maks Orlovich morlovich@chromium.org
Commit-Queue: mmenke mmenke@chromium.org
Cr-Commit-Position: refs/heads/main@{#1372773}