diff --git a/tests/Behat/Context/Setup/BlockContext.php b/tests/Behat/Context/Setup/BlockContext.php
index 0dec287d..c0532f8e 100755
--- a/tests/Behat/Context/Setup/BlockContext.php
+++ b/tests/Behat/Context/Setup/BlockContext.php
@@ -94,6 +94,7 @@ private function createBlockWithContentElement(string $code, string $contentElem
         /** @var ContentConfigurationInterface $contentConfiguration */
         $contentConfiguration = new ContentConfiguration();
         $contentConfiguration->setType(mb_strtolower($contentElement));
+        $contentConfiguration->setLocale('en_US');
         $contentConfiguration->setConfiguration(ContentElementHelper::getExampleConfigurationByContentElement($contentElement));
         $contentConfiguration->setBlock($block);
 
diff --git a/tests/Behat/Context/Setup/PageContext.php b/tests/Behat/Context/Setup/PageContext.php
index 43352ebc..d4a4aca4 100755
--- a/tests/Behat/Context/Setup/PageContext.php
+++ b/tests/Behat/Context/Setup/PageContext.php
@@ -205,6 +205,7 @@ private function createPageWithContentElement(string $contentElement): PageInter
         /** @var ContentConfigurationInterface $contentConfiguration */
         $contentConfiguration = new ContentConfiguration();
         $contentConfiguration->setType(mb_strtolower($contentElement));
+        $contentConfiguration->setLocale('en_US');
         $contentConfiguration->setConfiguration(ContentElementHelper::getExampleConfigurationByContentElement($contentElement));
         $contentConfiguration->setPage($page);
 
diff --git a/tests/Behat/Page/Admin/Page/CreatePage.php b/tests/Behat/Page/Admin/Page/CreatePage.php
index 7476451a..e3646280 100755
--- a/tests/Behat/Page/Admin/Page/CreatePage.php
+++ b/tests/Behat/Page/Admin/Page/CreatePage.php
@@ -111,8 +111,21 @@ public function addTextareaContentElementWithContent(string $content): void
     {
         Assert::isInstanceOf($this->getDriver(), ChromeDriver::class);
 
-        $textarea = $this->getElement('content_elements_textarea');
-        $textarea->setValue($content);
+        $iframe = $this->getDocument()->find('css', '.cke_wysiwyg_frame');
+        if (null === $iframe) {
+            throw new \Exception('CKEditor iframe not found');
+        }
+
+        $this->getDriver()->switchToIFrame($iframe->getAttribute('name'));
+
+        $body = $this->getDocument()->find('css', 'body');
+        if (null === $body) {
+            throw new \Exception('CKEditor body not found');
+        }
+
+        $body->setValue($content);
+
+        $this->getDriver()->switchToIFrame(null);
     }
 
     public function addSingleMediaContentElementWithName(string $name): void