Drop ReflectionProperty::setAccessible

Signed-off-by: Nathanael Esayeas <nathanael.esayeas@protonmail.com>

Author: ghostwriter

test/unit/Changelog/ChangelogReleaseNotesTest.php

@@ -156,12 +156,9 @@ public function testMergedInstanceContainsChangelogEntryFromTheInstanceThatHadOn
     ): void {
         $merged = $original->merge($secondary);
 
-        $r = new ReflectionProperty($merged, 'changelogEntry');
-        /** @psalm-suppress UnusedMethodCall */
-        $r->setAccessible(true);
-
+        $reflectionProperty = new ReflectionProperty($merged, 'changelogEntry');
         // Equals, but not same, as the class stores a clone of the original.
-        $this->assertEquals($expectedEntry, $r->getValue($merged));
+        $this->assertEquals($expectedEntry, $reflectionProperty->getValue($merged));
     }
 
     private const CHANGELOG_ENTRY = <<< 'ENTRY'