2 files changed, 8 insertions, 5 deletions
diff --git a/test/blob_test.rb b/test/blob_test.rb
index 45f6b5e3ba..9d190fb703 100644
--- a/test/blob_test.rb
+++ b/test/blob_test.rb
@@ -21,12 +21,7 @@ class ActiveFile::BlobTest < ActiveSupport::TestCase
     end
   end
 
-
   private
-    def create_blob(data: "Hello world!", filename: "hello.txt", content_type: "text/plain")
-      ActiveFile::Blob.create_after_upload! io: StringIO.new(data), filename: filename, content_type: content_type
-    end
-
     def expected_url_for(blob, disposition: :inline)
       "/rails/blobs/#{ActiveFile::VerifiedKeyWithExpiration.encode(blob.key, expires_in: 5.minutes)}?disposition=#{disposition}"
     end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 1f947fce90..9bb4a2fca1 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,5 +1,6 @@
 require "bundler/setup"
 require "active_support"
+require "active_support/test_case"
 require "active_support/testing/autorun"
 require "byebug"
 
@@ -10,3 +11,10 @@ ActiveFile::Blob.site = ActiveFile::Site.configure(:Disk, root: File.join(Dir.tm
 
 require "active_file/verified_key_with_expiration"
 ActiveFile::VerifiedKeyWithExpiration.verifier = ActiveSupport::MessageVerifier.new("Testing")
+
+class ActiveSupport::TestCase
+  private
+    def create_blob(data: "Hello world!", filename: "hello.txt", content_type: "text/plain")
+      ActiveFile::Blob.create_after_upload! io: StringIO.new(data), filename: filename, content_type: content_type
+    end
+end
+\ No newline at end of file