    public function testWithoutHeaderThatDoesNotExist()
    {
        $r = new Response(200, ['Baz' => 'Bam']);
        $r2 = $r->withoutHeader('foO');
        $this->assertSame($r, $r2);
        $this->assertFalse($r2->hasHeader('foo'));
        $this->assertSame(['Baz' => ['Bam']], $r2->getHeaders());
    }
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.