[12.x] Fix flaky test in ArraySessionHandler (garbage collection) #57904
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This prevents timing race conditions where time can advance between when the session is written (which records a timestamp) and when the garbage collection check occurs, causing intermittent test failures.
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This PR fixes a flaky test by freezing time before the write operation in
test_it_cleans_up_old_sessions.Problem:
Without freezing time, there's a small window where time can advance between when the session is written (which records a timestamp) and when the garbage collection check occurs. This can cause the test to fail intermittently.
Solution:
Add
Carbon::setTestNow(Carbon::now());before the firstwrite()operation to ensure consistent timing throughout the test.Related:
This follows the same pattern as #57864.