Fix failures

app/models/ci/build.rb

@@ -485,11 +485,7 @@ module Ci
     private
 
     def update_artifacts_size
-      self.artifacts_size = if artifacts_file.exists?
-                              artifacts_file.size
-                            else
-                              nil
-                            end
+      self.artifacts_size = legacy_artifacts_file&.size
     end
 
     def erase_trace!

spec/factories/ci/job_artifacts.rb

@@ -18,7 +18,7 @@ FactoryGirl.define do
 
       after(:build) do |artifact, _|
         artifact.file = fixture_file_upload(
-            Rails.root.join('spec/fixtures/ci_build_artifacts.zip'), 'application/zip')
+          Rails.root.join('spec/fixtures/ci_build_artifacts.zip'), 'application/zip')
       end
     end