[iOS]Ensure that OCMock are verified

As of june 2025, hundreds of tests uses Mock without verifying
them. While GMock don’t require verification, OCMock does. Those CL
correct the tests if they are easy to correct and otherwise disable
them.

This CL was uploaded by git cl split.

R=eic@google.com

Bug: 421873301
Change-Id: I8dc5b150d2e225964dd44d9982b48416a01870d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6618758
Auto-Submit: Arthur Milchior <arthurmilchior@chromium.org>
Reviewed-by: Ernesto Izquierdo Clua <eic@google.com>
Commit-Queue: Ernesto Izquierdo Clua <eic@google.com>
Cr-Commit-Position: refs/heads/main@{#1469330}