a1f016a94c
JIRA: https://jira.spring.io/browse/INT-4498
* Use `FileCopyUtils` instead of `StreamUtils` in test-cases when we deal
with `InputStream` s and files resources.
* Fix reflection-based tests with AOP to use an `ArrayList` access
instead of `LinkedList` since an optimization in SF:
6d6aa72e8f
**Cherry-pick to 5.0.x and 4.3.x**