diff --git a/core/modules/image/src/Tests/ImageFieldTestBase.php b/core/modules/image/src/Tests/ImageFieldTestBase.php
index 9984a76..e339abd 100644
--- a/core/modules/image/src/Tests/ImageFieldTestBase.php
+++ b/core/modules/image/src/Tests/ImageFieldTestBase.php
@@ -140,6 +140,7 @@ function previewNodeImage($image, $field_name, $type) {
   function uploadNodeImage($image, $field_name, $type, $alt = '') {
     $edit = array(
       'title[0][value]' => $this->randomMachineName(),
+      $field_name . '[0][alt]' => $this->randomMachineName(),
     );
     $edit['files[' . $field_name . '_0]'] = drupal_realpath($image->uri);
     $this->drupalPostForm('node/add/' . $type, $edit, t('Save and publish'));
diff --git a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
index a6f2930..f99a2fe 100644
--- a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
@@ -173,7 +173,7 @@ protected function doTestResponsiveImageFieldFormatters($scheme, $empty_styles =
     $renderer = $this->container->get('renderer');
     $node_storage = $this->container->get('entity.manager')->getStorage('node');
     $field_name = Unicode::strtolower($this->randomMachineName());
-    $this->createImageField($field_name, 'article', array('uri_scheme' => $scheme));
+    $this->createImageField($field_name, 'article', array('uri_scheme' => $scheme, 'alt_field' => TRUE,));
     // Create a new node with an image attached. Make sure we use a large image
     // so the scale effects of the image styles always have an effect.
     $test_image = current($this->drupalGetTestFiles('image', 39325));
@@ -460,7 +460,7 @@ public function testResponsiveImageFieldFormattersOneSource() {
    */
   private function assertResponsiveImageFieldFormattersLink($link_type) {
     $field_name = Unicode::strtolower($this->randomMachineName());
-    $field_settings = array('alt_field_required' => 0);
+    $field_settings = array('alt_field_required' => TRUE);
     $this->createImageField($field_name, 'article', array('uri_scheme' => 'public'), $field_settings);
     // Create a new node with an image attached.
     $test_image = current($this->drupalGetTestFiles('image'));