.../src/Kernel/EntityEmbedFilterOverridesTest.php  | 48 ++++++++--------------
 1 file changed, 17 insertions(+), 31 deletions(-)

diff --git a/tests/src/Kernel/EntityEmbedFilterOverridesTest.php b/tests/src/Kernel/EntityEmbedFilterOverridesTest.php
index be54418..d44a20b 100644
--- a/tests/src/Kernel/EntityEmbedFilterOverridesTest.php
+++ b/tests/src/Kernel/EntityEmbedFilterOverridesTest.php
@@ -19,6 +19,13 @@ class EntityEmbedFilterOverridesTest extends EntityEmbedFilterTestBase {
   use MediaTypeCreationTrait;
   use TestFileCreationTrait;
 
+  /**
+   * The image file to use in tests.
+   *
+   * @var \Drupal\file\FileInterface
+   */
+  protected $image;
+
   /**
    * {@inheritdoc}
    */
@@ -40,19 +47,22 @@ class EntityEmbedFilterOverridesTest extends EntityEmbedFilterTestBase {
     $this->installConfig('image');
     $this->installConfig('media');
     $this->installConfig('system');
+
+    $this->image = File::create([
+      'uri' => $this->getTestFiles('image')[0]->uri,
+      'uid' => 2,
+    ]);
+    $this->image->setPermanent();
+    $this->image->save();
   }
 
   /**
    * Tests overriding of `alt` and `title` for default image field formatter.
    */
   public function testOverrideAltAndTitleForImage() {
-    /** @var \Drupal\file\FileInterface $image */
-    $image = $this->getTestFile('image');
-    $image->setPermanent();
-    $image->save();
     $content = $this->createEmbedCode([
       'data-entity-type' => 'file',
-      'data-entity-uuid' => $image->uuid(),
+      'data-entity-uuid' => $this->image->uuid(),
       'data-entity-embed-display' => 'image:image',
       'data-entity-embed-display-settings' => '{"image_style":"","image_link":""}',
       'data-align' => 'left',
@@ -75,7 +85,7 @@ class EntityEmbedFilterOverridesTest extends EntityEmbedFilterTestBase {
       'data-align' => 'left',
       'data-entity-embed-display' => 'image:image',
       'data-entity-type' => 'file',
-      'data-entity-uuid' => $image->uuid(),
+      'data-entity-uuid' => $this->image->uuid(),
       'title' => 'This is title text',
       'data-langcode' => 'en',
     ]);
@@ -99,20 +109,12 @@ class EntityEmbedFilterOverridesTest extends EntityEmbedFilterTestBase {
     $this->container->get('current_user')
       ->addRole($this->drupalCreateRole(['view media']));
 
-    \Drupal::service('file_system')->copy(\Drupal::root() . '/core/misc/druplicon.png', 'public://batfish.jpg');
-    /** @var \Drupal\file\FileInterface $file */
-    $file = File::create([
-      'uri' => 'public://batfish.jpg',
-      'uid' => 2,
-    ]);
-    $file->save();
-
     $media = Media::create([
       'bundle' => 'image',
       'name' => 'Screaming hairy armadillo',
       'field_media_image' => [
         [
-          'target_id' => $file->id(),
+          'target_id' => $this->image->id(),
           'alt' => 'default alt',
           'title' => 'default title',
         ],
@@ -167,20 +169,4 @@ class EntityEmbedFilterOverridesTest extends EntityEmbedFilterTestBase {
     ]);
   }
 
-  /**
-   * Retrieves a sample file of the specified type.
-   */
-  protected function getTestFile($type_name, $size = NULL) {
-    // Get a file to upload.
-    $file = current($this->getTestFiles($type_name, $size));
-
-    // Add a filesize property to files as would be read by
-    // \Drupal\file\Entity\File::load().
-    $file->filesize = filesize($file->uri);
-
-    $file = File::create((array) $file);
-    $file->save();
-    return $file;
-  }
-
 }