[SecurityBundle] Added UserPasswordValidator tests for the different Validation APIs
minor #11585 [SecurityBundle] Added UserPasswordValidator tests for the different Validation APIs (webmozart)

This PR was merged into the 2.5 branch.

Discussion
----------

[SecurityBundle] Added UserPasswordValidator tests for the different Validation APIs

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

Commits
-------

0653426 [SecurityBundle] Added UserPasswordValidator tests for the different Validation APIs
[DoctrineBridge] Changed UniqueEntityValidator to use the 2.5 Validation API
bug #11582 [DoctrineBridge] Changed UniqueEntityValidator to use the 2.5 Validation API (webmozart)

This PR was merged into the 2.5 branch.

Discussion
----------

[DoctrineBridge] Changed UniqueEntityValidator to use the 2.5 Validation API

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #11578
| License       | MIT
| Doc PR        | -

Commits
-------

f45f1ab [DoctrineBridge] Changed UniqueEntityValidator to use the 2.5 Validation API
[FrameworkBundle] Fixed validator factory definition when the Validator API is "auto" for PHP < 5.3.9