fix(test_uploader): remove frozen literal from test file

lib/export/export_supporters.rb

@@ -31,8 +31,7 @@ module ExportSupporters
 
     params = JSON.parse(params, object_class: HashWithIndifferentAccess)
     # verify that it's also a hash since we can't do that at once
-    ParamValidation.new({ params: params },
-                        params: { is_hash: true })
+    ParamValidation.new({ params: params }, params: { is_hash: true })
     begin
       export = Export.find(export_id)
     rescue ActiveRecord::RecordNotFound

spec/support/test_chunked_uploader.rb

@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 # License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
 class TestChunkedUploader
   TEST_ERROR_MESSAGE = 'test exception thrown'
@@ -13,7 +11,7 @@ class TestChunkedUploader
     @@output
   end
 
-  ## use this to throw an exception instead of finishing
+  # use this to throw an exception instead of finishing
   def self.raise_error
     @@raise_error = true
   end