Merge branch '3.4' into 4.3

* 3.4:
  cs fix
  Replace calls to setExpectedException by Pollyfill

Author: nicolas-grekas

Tests/OptionsResolverTest.php

@@ -869,12 +869,8 @@ public function testResolveFailsIfInvalidType($actualType, $allowedType, $except
         $this->resolver->setDefined('option');
         $this->resolver->setAllowedTypes('option', $allowedType);
 
-        if (method_exists($this, 'expectException')) {
-            $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
-            $this->expectExceptionMessage($exceptionMessage);
-        } else {
-            $this->setExpectedException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException', $exceptionMessage);
-        }
+        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectExceptionMessage($exceptionMessage);
 
         $this->resolver->resolve(['option' => $actualType]);
     }