Cleanup

Author: sebastianbergmann

src/Framework/TestCase.php

@@ -632,17 +632,8 @@ public function expectExceptionMessageRegExp($messageRegExp)
         $this->expectedExceptionMessageRegExp = $messageRegExp;
     }
 
-    /**
-     * @param $exception \Exception
-     *
-     * @throws Exception
-     */
-    public function expectExceptionObject($exception)
+    public function expectExceptionObject(Exception $exception)
     {
-        if (!\is_a($exception, \Exception::class)) {
-            throw InvalidArgumentHelper::factory(1, 'exception');
-        }
-
         $this->expectException(get_class($exception));
         $this->expectExceptionMessage($exception->getMessage());
         $this->expectExceptionCode($exception->getCode());