Fix use-statements

tests/modules/saml/lib/Controller/DiscoTest.php

@@ -6,7 +6,7 @@ namespace SimpleSAML\Test\Module\saml\Controller;
 
 use PHPUnit\Framework\TestCase;
 use SimpleSAML\Configuration;
-use SimpleSAML\Http\RunnableResponse;
+use SimpleSAML\HTTP\RunnableResponse;
 use SimpleSAML\Module\saml\Controller;
 use Symfony\Component\HttpFoundation\Request;
 

tests/modules/saml/lib/Controller/ProxyTest.php

@@ -8,7 +8,7 @@ use PHPUnit\Framework\TestCase;
 use SimpleSAML\Auth;
 use SimpleSAML\Configuration;
 use SimpleSAML\Error;
-use SimpleSAML\Http\RunnableResponse;
+use SimpleSAML\HTTP\RunnableResponse;
 use SimpleSAML\Module\saml\Controller;
 use SimpleSAML\Module\saml\Error\NoAvailableIDP;
 use SimpleSAML\XHTML\Template;

tests/modules/saml/lib/Controller/ServiceProviderTest.php

@@ -9,7 +9,7 @@ use PHPUnit\Framework\TestCase;
 use SimpleSAML\Auth;
 use SimpleSAML\Configuration;
 use SimpleSAML\Error;
-use SimpleSAML\Http\RunnableResponse;
+use SimpleSAML\HTTP\RunnableResponse;
 use SimpleSAML\Module\saml\Controller;
 use SimpleSAML\Session;
 use SimpleSAML\Utils;