    public function testSameInstanceWhenRemovingMissingHeader()
    {
        $r = new Response();
        $this->assertSame($r, $r->withoutHeader('foo'));
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.