OEL-001: Fix tests after markup changes.

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') %}
 
-<li class="nav-item">
+<li class="nav-item oe-authentication">
   {{ pattern('link', {
     label: content['#title']|render,
     path: content['#url']|render,

templates/overrides/navigation/links--language-block.html.twig

@@ -22,7 +22,7 @@
 {% set extra_attributes = extra_attributes.setAttribute('data-bs-target', '#' ~ _language.link.target) %}
 {% set extra_attributes = extra_attributes.addClass('nav-link') %}
 
-<li class="nav-item">
+<li class="nav-item language-switcher">
   {{ pattern('link', {
     label: _language.link.label,
     path: _language.link.href,

tests/src/Kernel/MultilingualBlockTest.php

@@ -95,7 +95,7 @@ class MultilingualBlockTest extends KernelTestBase {
     $render = $this->container->get('renderer')->renderRoot($build);
     $crawler = new Crawler($render->__toString());
 
-    $block = $crawler->filter('#block-languageswitcherinterfacetext');
+    $block = $crawler->filter('li.language-switcher');
     $this->assertCount(1, $block);
     $link = $crawler->filter('a.nav-link');
     $this->assertSame('English', trim($link->text()));