minor #6156 DX: drop hack for Prophecy incompatibility (keradus)

This PR was merged into the master branch.

Discussion
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DX: drop hack for Prophecy incompatibility

https://github.com/phpspec/prophecy/releases/tag/v1.15.0

follows up #6095

Commits
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6cb274a DX: drop hack for Prophecy incompatibility

composer.json

@@ -40,7 +40,7 @@
         "php-cs-fixer/accessible-object": "^1.1",
         "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.2",
         "php-cs-fixer/phpunit-constraint-xmlmatchesxsd": "^1.2.1",
-        "phpspec/prophecy": "^1.10.3",
+        "phpspec/prophecy": "^1.15",
         "phpspec/prophecy-phpunit": "^1.1 || ^2.0",
         "phpunit/phpunit": "^8.5.21 || ^9.5",
         "phpunitgoodpractices/polyfill": "^1.5",

tests/Linter/ProcessLintingResultTest.php

@@ -26,17 +26,6 @@
  */
 final class ProcessLintingResultTest extends TestCase
 {
-    public static function setUpBeforeClass(): void
-    {
-        parent::setUpBeforeClass();
-
-        /** @TODO drop me after Prophecy issue is soled: https://github.com/phpspec/prophecy/issues/527 */
-        $type = (new \ReflectionMethod(\Symfony\Component\Process\Process::class, 'mustRun'))->getReturnType();
-        if ($type instanceof \ReflectionNamedType && 'static' === $type->getName()) {
-            static::markTestSkipped('Prophecy cannot handle the static return type.');
-        }
-    }
-
     /**
      * @doesNotPerformAssertions
      */