OEL-452: Fix authenticaton test.

templates/overrides/navigation/block--oe-authentication-login_block.html.twig

@@ -7,7 +7,7 @@
 {% set extra_attributes = create_attribute() %}
 {% set extra_attributes = extra_attributes.addClass('nav-link') %}
 
-<ul class="nav">
+<ul class="nav oe-authentication">
   <li class="nav-item">
     {{ pattern('link', {
       label: content['#title']|render,

tests/src/Kernel/AuthenticationBlockTest.php

@@ -68,10 +68,10 @@ class AuthenticationBlockTest extends KernelTestBase {
     $render = $this->container->get('renderer')->renderRoot($build);
     $crawler = new Crawler($render->__toString());
 
-    $actual = $crawler->filter('#block-euloginlinkblock');
+    $actual = $crawler->filter('.oe-authentication');
     $this->assertCount(1, $actual);
     $icon = $actual->filter('svg');
-    $this->assertSame('bi icon--m', $icon->attr('class'));
+    $this->assertSame('bi icon--s', $icon->attr('class'));
     $use = $icon->filter('use');
     $expected = '/themes/contrib/oe_bootstrap_theme/assets/icons/bootstrap-icons.svg#person-fill';
     $this->assertSame($expected, $use->attr('xlink:href'));