bug symfony#61731 [PhpUnitBridge] Fix gathering deprecation in phpt (nicolas-grekas)

This PR was merged into the 6.4 branch.

Discussion
----------

[PhpUnitBridge] Fix gathering deprecation in phpt

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

Commits
-------

8e35b50 [PhpUnitBridge] Fix gathering deprecation in phpt

Author: nicolas-grekas

src/Symfony/Bridge/PhpUnit/Legacy/SymfonyTestsListenerTrait.php

@@ -18,6 +18,7 @@
 use PHPUnit\Framework\TestCase;
 use PHPUnit\Framework\TestSuite;
 use PHPUnit\Runner\BaseTestRunner;
+use PHPUnit\Runner\PhptTestCase;
 use PHPUnit\Util\Blacklist;
 use PHPUnit\Util\ExcludeList;
 use PHPUnit\Util\Test;
@@ -206,6 +207,12 @@ public function addSkippedTest($test, \Exception $e, $time): void
 
     public function startTest($test): void
     {
+        if (-2 < $this->state && $test instanceof PhptTestCase) {
+            $this->runsInSeparateProcess = tempnam(sys_get_temp_dir(), 'deprec');
+            putenv('SYMFONY_DEPRECATIONS_SERIALIZE='.$this->runsInSeparateProcess);
+            putenv('SYMFONY_EXPECTED_DEPRECATIONS_SERIALIZE='.tempnam(sys_get_temp_dir(), 'expectdeprec'));
+        }
+
         if (-2 < $this->state && $test instanceof TestCase) {
             // This event is triggered before the test is re-run in isolation
             if ($this->willBeIsolated($test)) {

src/Symfony/Component/String/Tests/LazyStringTest.php

@@ -12,7 +12,6 @@
 namespace Symfony\Component\String\Tests;
 
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\ErrorHandler\ErrorHandler;
 use Symfony\Component\String\LazyString;
 
 class LazyStringTest extends TestCase
@@ -34,8 +33,6 @@ public function testLazyString()
      */
     public function testReturnTypeError()
     {
-        ErrorHandler::register();
-
         $s = LazyString::fromCallable(fn () => []);
 
         $this->expectException(\TypeError::class);

src/Symfony/Component/String/composer.json

@@ -23,9 +23,8 @@
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
-        "symfony/error-handler": "^5.4|^6.0|^7.0",
-        "symfony/intl": "^6.2|^7.0",
         "symfony/http-client": "^5.4|^6.0|^7.0",
+        "symfony/intl": "^6.2|^7.0",
         "symfony/translation-contracts": "^2.5|^3.0",
         "symfony/var-exporter": "^5.4|^6.0|^7.0"
     },