correct tests to check for CNAME instead of AAAA

Signed-off-by: georglauterbach <44545919+georglauterbach@users.noreply.github.com>

tests/lib/Http/Client/DnsPinMiddlewareTest.php

@@ -542,6 +542,6 @@ static function (RequestInterface $request, array $options) {
 		$this->assertContains('subsubdomain.subdomain.example.com' . DNS_A, $dnsQueries);
 		$this->assertContains('subsubdomain.subdomain.example.com' . DNS_AAAA, $dnsQueries);
 		// CNAME should not be queried of A or AAAA succeeded already
-		$this->assertNotContains('subsubdomain.subdomain.example.com' . DNS_AAAA, $dnsQueries);
+		$this->assertNotContains('subsubdomain.subdomain.example.com' . DNS_CNAME, $dnsQueries);
 	}
 }