Fix file attribute tests. Since we use assertSame, these numbers need the same type. (#4326)
Fix file attribute tests. Since we use assertSame, these numbers need the same type. (#4326)



Former-commit-id: 69020947d8a391044bf99c1e0638aea154eca53f
Former-commit-id: b98e834d3c90a32dceaf97fac16422ef4cbe677d
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