diff --git a/src/Tests/TokenFieldUiTest.php b/src/Tests/TokenFieldUiTest.php
index e66f3cd..7c37511 100644
--- a/src/Tests/TokenFieldUiTest.php
+++ b/src/Tests/TokenFieldUiTest.php
@@ -168,37 +168,30 @@ class TokenFieldUiTest extends TokenTestBase {
     // down during token replacement by applying the styles here.
     $style_thumbnail = ImageStyle::load('thumbnail');
     $style_thumbnail->createDerivative('public://example1.png', 'public://styles/thumbnail/public/example1-test.png');
-    $style_thumbnail->createDerivative('public://example2.gif', 'public://styles/thumbnail/public/example2-test.gif');
-    $image_1_thumbnail = \Drupal::service('image.factory')->get('public://styles/thumbnail/public/example1-test.png');
-    $image_2_thumbnail = \Drupal::service('image.factory')->get('public://styles/thumbnail/public/example2-test.gif');
     $style_medium = ImageStyle::load('medium');
     $style_medium->createDerivative('public://example1.png', 'public://styles/medium/public/example1-test.png');
     $style_medium->createDerivative('public://example2.gif', 'public://styles/medium/public/example2-test.gif');
-    $image_1_medium = \Drupal::service('image.factory')->get('public://styles/medium/public/example1-test.png');
-    $image_2_medium = \Drupal::service('image.factory')->get('public://styles/medium/public/example2-test.gif');
     $style_large = ImageStyle::load('large');
     $style_large->createDerivative('public://example1.png', 'public://styles/large/public/example1-test.png');
     $style_large->createDerivative('public://example2.gif', 'public://styles/large/public/example2-test.gif');
-    $image_1_large = \Drupal::service('image.factory')->get('public://styles/large/public/example1-test.png');
-    $image_2_large = \Drupal::service('image.factory')->get('public://styles/large/public/example2-test.gif');
 
     $tokens = [
       // field_image
       'field_image:thumbnail:mimetype' => 'image/png',
       'field_image:medium:mimetype' => 'image/png',
       'field_image:large:mimetype' => 'image/png',
-      'field_image:thumbnail:filesize' => $image_1_thumbnail->getFileSize(),
-      'field_image:medium:filesize' => $image_1_medium->getFileSize(),
-      'field_image:large:filesize' => $image_1_large->getFileSize(),
-      'field_image:thumbnail:height' => $image_1_thumbnail->getHeight(),
-      'field_image:medium:height' => $image_1_medium->getHeight(),
-      'field_image:large:height' => $image_1_large->getHeight(),
-      'field_image:thumbnail:width' => $image_1_thumbnail->getWidth(),
-      'field_image:medium:width' => $image_1_medium->getWidth(),
-      'field_image:large:width' => $image_1_large->getWidth(),
-      'field_image:thumbnail:uri' => $style_thumbnail->buildUri('public://example1.png'),
-      'field_image:medium:uri' => $style_medium->buildUri('public://example1.png'),
-      'field_image:large:uri' => $style_large->buildUri('public://example1.png'),
+      'field_image:thumbnail:filesize' => '7134',
+      'field_image:medium:filesize' => '26880',
+      'field_image:large:filesize' => '74637',
+      'field_image:thumbnail:height' => '100',
+      'field_image:medium:height' => '220',
+      'field_image:large:height' => '480',
+      'field_image:thumbnail:width' => '100',
+      'field_image:medium:width' => '220',
+      'field_image:large:width' => '480',
+      'field_image:thumbnail:uri' => 'public://styles/thumbnail/public/example1.png',
+      'field_image:medium:uri' => 'public://styles/medium/public/example1.png',
+      'field_image:large:uri' => 'public://styles/large/public/example1.png',
       'field_image:thumbnail:url' => $style_thumbnail->buildUrl('public://example1.png'),
       'field_image:medium:url' => $style_medium->buildUrl('public://example1.png'),
       'field_image:large:url' => $style_large->buildUrl('public://example1.png'),
@@ -209,18 +202,18 @@ class TokenFieldUiTest extends TokenTestBase {
       'field_image_2:thumbnail:mimetype' => 'image/gif',
       'field_image_2:medium:mimetype' => 'image/gif',
       'field_image_2:large:mimetype' => 'image/gif',
-      'field_image_2:thumbnail:filesize' => $image_2_thumbnail->getFileSize(),
-      'field_image_2:medium:filesize' => $image_2_medium->getFileSize(),
-      'field_image_2:large:filesize' => $image_2_large->getFileSize(),
-      'field_image_2:thumbnail:height' => $image_2_thumbnail->getHeight(),
-      'field_image_2:medium:height' => $image_2_medium->getHeight(),
-      'field_image_2:large:height' => $image_2_large->getHeight(),
-      'field_image_2:thumbnail:width' => $image_2_thumbnail->getWidth(),
-      'field_image_2:medium:width' => $image_2_medium->getWidth(),
-      'field_image_2:large:width' => $image_2_large->getWidth(),
-      'field_image_2:thumbnail:uri' => $style_thumbnail->buildUri('public://example2.gif'),
-      'field_image_2:medium:uri' => $style_medium->buildUri('public://example2.gif'),
-      'field_image_2:large:uri' => $style_large->buildUri('public://example2.gif'),
+      'field_image_2:thumbnail:filesize' => '3832',
+      'field_image_2:medium:filesize' => '13745',
+      'field_image_2:large:filesize' => '56469',
+      'field_image_2:thumbnail:height' => '100',
+      'field_image_2:medium:height' => '220',
+      'field_image_2:large:height' => '480',
+      'field_image_2:thumbnail:width' => '100',
+      'field_image_2:medium:width' => '220',
+      'field_image_2:large:width' => '480',
+      'field_image_2:thumbnail:uri' => 'public://styles/thumbnail/public/example2.gif',
+      'field_image_2:medium:uri' => 'public://styles/medium/public/example2.gif',
+      'field_image_2:large:uri' => 'public://styles/large/public/example2.gif',
       'field_image_2:thumbnail:url' => $style_thumbnail->buildUrl('public://example2.gif'),
       'field_image_2:medium:url' => $style_medium->buildUrl('public://example2.gif'),
       'field_image_2:large:url' => $style_large->buildUrl('public://example2.gif'),
@@ -229,18 +222,18 @@ class TokenFieldUiTest extends TokenTestBase {
       'field_image_2:large' => $style_large->buildUrl('public://example2.gif'),
       // multivalued_field_image:0, test for thumbnail image style only.
       'multivalued_field_image:0:thumbnail:mimetype' => 'image/png',
-      'multivalued_field_image:0:thumbnail:filesize' => $image_1_thumbnail->getFileSize(),
-      'multivalued_field_image:0:thumbnail:height' => $image_1_thumbnail->getHeight(),
-      'multivalued_field_image:0:thumbnail:width' => $image_1_thumbnail->getWidth(),
-      'multivalued_field_image:0:thumbnail:uri' => $style_thumbnail->buildUri('public://example1.png'),
+      'multivalued_field_image:0:thumbnail:filesize' => '7134',
+      'multivalued_field_image:0:thumbnail:height' => '100',
+      'multivalued_field_image:0:thumbnail:width' => '100',
+      'multivalued_field_image:0:thumbnail:uri' => 'public://styles/thumbnail/public/example1.png',
       'multivalued_field_image:0:thumbnail:url' => $style_thumbnail->buildUrl('public://example1.png'),
       'multivalued_field_image:0:thumbnail' => $style_thumbnail->buildUrl('public://example1.png'),
       // multivalued_field_image:1, test for medium image style only.
       'multivalued_field_image:1:medium:mimetype' => 'image/gif',
-      'multivalued_field_image:1:medium:filesize' => $image_2_medium->getFileSize(),
-      'multivalued_field_image:1:medium:height' => $image_2_medium->getHeight(),
-      'multivalued_field_image:1:medium:width' => $image_2_medium->getWidth(),
-      'multivalued_field_image:1:medium:uri' => $style_medium->buildUri('public://example2.gif'),
+      'multivalued_field_image:1:medium:filesize' => '13745',
+      'multivalued_field_image:1:medium:height' => '220',
+      'multivalued_field_image:1:medium:width' => '220',
+      'multivalued_field_image:1:medium:uri' => 'public://styles/medium/public/example2.gif',
       'multivalued_field_image:1:medium:url' => $style_medium->buildUrl('public://example2.gif'),
       'multivalued_field_image:1:medium' => $style_medium->buildUrl('public://example2.gif'),
     ];