minor #38799 Fix transient tests on branch 5.2 (jderusse)

This PR was merged into the 5.2-dev branch.

Discussion
----------

Fix transient tests on branch 5.2

| Q             | A
| ------------- | ---
| Branch?       | 5.x
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

Fix transient tests on branch 5.2.

I'll keep this PR open few days to watch travis/GHA for transient tests

Commits
-------

7bb288e956 Fix transient tests

src/Symfony/Component/Security/Http/Tests/LoginLink/LoginLinkHandlerTest.php

@@ -46,6 +46,7 @@ class LoginLinkHandlerTest extends TestCase
 
     /**
      * @dataProvider provideCreateLoginLinkData
+     * @group time-sensitive
      */
     public function testCreateLoginLink($user, array $extraProperties)
     {