Fixes #9633, Removed dependency to Symfony\Bundle\FrameworkBundle\Tests\TestCase
minor #9636 [Translation] Fixes #9633, Removed dependency to Symfony\Bundle\FrameworkBundle\Tests\TestCase (ismailasci)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #9636).

Discussion
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[Translation] Fixes #9633, Removed dependency to Symfony\Bundle\FrameworkBundle\Tests\TestCase

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #9633
| License       | MIT
| Doc PR        |

Commits
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2669486 [Translation] Fixes #9633, Removed dependency to Symfony\Bundle\FrameworkBundle\Tests\TestCase