diff -u b/core/modules/editor/src/Tests/EditorPrivateFileReferenceFilterTest.php b/core/modules/editor/src/Tests/EditorPrivateFileReferenceFilterTest.php
--- b/core/modules/editor/src/Tests/EditorPrivateFileReferenceFilterTest.php
+++ b/core/modules/editor/src/Tests/EditorPrivateFileReferenceFilterTest.php
@@ -29,7 +29,7 @@
     // - with the editor set to CKEditor,
     // - with drupalimage.image_upload.scheme set to 'private',
     // - with drupalimage.image_upload.directory set to ''.
-    'editor_test',
+    'editor_private_test',
   ];
 
   /**
reverted:
--- b/core/modules/editor/tests/modules/config/install/editor.editor.private_images.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-format: private_images
-status: true
-langcode: en
-editor: ckeditor
-settings:
-  toolbar:
-    rows:
-      -
-        -
-          name: Media
-          items:
-            - DrupalImage
-        -
-          name: Tools
-          items:
-            - Source
-  plugins:
-    language:
-      language_list: un
-    stylescombo:
-      styles: ''
-image_upload:
-  status: true
-  scheme: private
-  directory: ''
-  max_size: ''
-  max_dimensions:
-    width: null
-    height: null
-dependencies:
-  config:
-    - filter.format.private_images
-  module:
-    - ckeditor
reverted:
--- b/core/modules/editor/tests/modules/config/install/filter.format.private_images.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-format: private_images
-name: 'Private images'
-status: true
-langcode: en
-filters:
-  editor_file_reference:
-    id: editor_file_reference
-    provider: editor
-    status: true
-    weight: 0
-    settings: {  }
-  filter_html:
-    id: filter_html
-    provider: filter
-    status: false
-    weight: -10
-    settings:
-      allowed_html: '<img src alt data-entity-type data-entity-uuid>'
-      filter_html_help: true
-      filter_html_nofollow: false
-dependencies:
-  module:
-    - editor
reverted:
--- b/core/modules/editor/tests/modules/editor_test.info.yml
+++ a/core/modules/editor/tests/modules/editor_test.info.yml
@@ -4,5 +4,3 @@
 core: 8.x
 package: Testing
 version: VERSION
-dependencies:
-  - filter
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/editor/tests/editor_private_test/config/install/editor.editor.private_images.yml
@@ -0,0 +1,34 @@
+format: private_images
+status: true
+langcode: en
+editor: ckeditor
+settings:
+  toolbar:
+    rows:
+      -
+        -
+          name: Media
+          items:
+            - DrupalImage
+        -
+          name: Tools
+          items:
+            - Source
+  plugins:
+    language:
+      language_list: un
+    stylescombo:
+      styles: ''
+image_upload:
+  status: true
+  scheme: private
+  directory: ''
+  max_size: ''
+  max_dimensions:
+    width: null
+    height: null
+dependencies:
+  config:
+    - filter.format.private_images
+  module:
+    - ckeditor
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/editor/tests/editor_private_test/config/install/filter.format.private_images.yml
@@ -0,0 +1,23 @@
+format: private_images
+name: 'Private images'
+status: true
+langcode: en
+filters:
+  editor_file_reference:
+    id: editor_file_reference
+    provider: editor
+    status: true
+    weight: 0
+    settings: {  }
+  filter_html:
+    id: filter_html
+    provider: filter
+    status: false
+    weight: -10
+    settings:
+      allowed_html: '<img src alt data-entity-type data-entity-uuid>'
+      filter_html_help: true
+      filter_html_nofollow: false
+dependencies:
+  module:
+    - editor
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/editor/tests/editor_private_test/editor_private_test.info.yml
@@ -0,0 +1,9 @@
+name: 'Text Editor Private test'
+type: module
+description: 'Support module for the Text Editor Private module tests.'
+core: 8.x
+package: Testing
+version: VERSION
+dependencies:
+  - filter
+  - ckeditor