fs_stat_test: fix fs date case not strict enough #3226
Merged
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Summary
use utc diff should prefer and more strict.
Impact
Before fix, the case using assert_int_equal(min1, min2); These should not strict enough, for example if the case start runs with 09:59:59 etc, and with corner case or even if the host performance is not strong enough, will case easily break.
After fix, we just make sure the case is within positive or negative within 30s. should be equal for most time with old case. And still able to catch if the fs time usage break.
Testing
CI-test, sim hostfs test.