Fix ApplyObjectIT flaky test

For some builds `ApplyObjectIT.shouldApplyRefMetaObject` test throws
`MissingParentObjectException`. Align with other tests the way how
this test reads revision data to avoid flaky results.

Bug: Issue 289961082
Change-Id: I1083818ed15adf9d6322f77b1be846b53fc5dbbe
1 file changed