public function testGetPolicyDisallowStyleDomainMultipleStacked()
 {
     $expectedPolicy = "default-src 'none';script-src 'self' 'unsafe-eval';style-src 'self' 'unsafe-inline';img-src 'self' data: blob:;font-src 'self';connect-src 'self';media-src 'self'";
     $this->contentSecurityPolicy->addAllowedStyleDomain('www.owncloud.com');
     $this->contentSecurityPolicy->disallowStyleDomain('www.owncloud.org')->disallowStyleDomain('www.owncloud.com');
     $this->assertSame($expectedPolicy, $this->contentSecurityPolicy->buildPolicy());
 }