added tests

db/data/20210407140317_transfer_data_from_domain_statuses_to_admin_status_history.rb

@@ -0,0 +1,13 @@
+class TransferDataFromDomainStatusesToAdminStatusHistory < ActiveRecord::Migration[6.0]
+  def up
+    domains = Domain.all.select { |d| !d.locked_by_registrant?}
+    domains.each do |domain| 
+      domain.admin_store_statuses_history = domain.statuses
+      domain.save
+    end
+  end
+
+  def down
+    # raise ActiveRecord::IrreversibleMigration
+  end
+end

db/data_schema.rb

@@ -1,2 +1,2 @@
 # encoding: UTF-8
-DataMigrate::Data.define(version: 20210406083149)
+DataMigrate::Data.define(version: 20210407140317)