minor #33067 [VarDumper] Fix test patern to handle callstack with/wit…

…hout return typehint (jderusse)

This PR was merged into the 4.3 branch.

Discussion
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[VarDumper] Fix test patern to handle callstack with/without return typehint

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #32844
| License       | MIT
| Doc PR        | NA

The TestCase::tearDownAfterClass methods does not always have the same signature which change the output of the reflection. This use another methods for testing

Commits
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feaadd1 Fix tst patern to handle callstack with/without return typehint

src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php

@@ -89,7 +89,7 @@ public function testFromCallableClosureCaster()
         }
         $var = [
             (new \ReflectionMethod($this, __FUNCTION__))->getClosure($this),
-            (new \ReflectionMethod(__CLASS__, 'tearDownAfterClass'))->getClosure(),
+            (new \ReflectionMethod(__CLASS__, 'stub'))->getClosure(),
         ];
 
         $this->assertDumpMatchesFormat(
@@ -100,8 +100,9 @@ public function testFromCallableClosureCaster()
     file: "%sReflectionCasterTest.php"
     line: "%d to %d"
   }
-  1 => %sTestCase::tearDownAfterClass() {
-    file: "%sTestCase.php"
+  1 => Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest::stub(): void {
+    returnType: "void"
+    file: "%sReflectionCasterTest.php"
     line: "%d to %d"
   }
 ]
@@ -244,6 +245,10 @@ public function testGenerator()
 EODUMP;
         $this->assertDumpMatchesFormat($expectedDump, $generator);
     }
+
+    public static function stub(): void
+    {
+    }
 }
 
 function reflectionParameterFixture(NotLoadableClass $arg1 = null, $arg2)