[Finder] Marked test skipped when ftp stream wrapper is not available
Fix doc blocks
minor #10719 [Finder] Marked test skipped when ftp stream wrapper is not available (deguif)

This PR was merged into the 2.3 branch.

Discussion
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[Finder] Marked test skipped when ftp stream wrapper is not available

| Q               | A
| ---------------- | ---
| Bug fix?         | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| License       | MIT

This should prevent test from failing on hhvm as ftp stream wrapper is not currently implemented.
See https://github.com/facebook/hhvm/issues/2108 for more details.

Commits
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f35fc81 [Finder] Marked test skipped when ftp stream wrapper is not available
Merge branch '2.3' into 2.4

* 2.3:
  Little correction for case 'ar'
  No need to use mb functions here
  [HttpFoundation] update phpdoc of SessionHandlerInterface and unify parameters of all handlers according to interface
  [Doctrine Bridge] fix DbalSessionHandler for high concurrency, interface compliance, compatibility with all drivers (oci8, mysqli, pdo with mysql, sqlsrv, sqlite)
  [Finder] Marked test skipped when ftp stream wrapper is not available