Migrations need to be updated to Rails 5.x

[scarroll32]

StandardError: An error has occurred, this and all later migrations canceled:

Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for:

  class CreateActivityNotificationTables < ActiveRecord::Migration[4.2]
/Users/sean/src/immersive/immersive/db/migrate/20181128164307_create_activity_notification_tables.rb:2:in `<main>'
/Users/sean/src/immersive/immersive/bin/rails:9:in `<top (required)>'
/Users/sean/src/immersive/immersive/bin/spring:15:in `<top (required)>'
bin/rails:3:in `load'
bin/rails:3:in `<main>'

Caused by:
StandardError: Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for:

  class CreateActivityNotificationTables < ActiveRecord::Migration[4.2]

[scarroll32]

Fixed by adding the Rails version.

class CreateActivityNotificationTables < ActiveRecord::Migration[5.2]

[simukappu]

Thank you for your reporting! We will fix it. In addition, we have to add migration test with generated migration file from the template.

[simukappu]

Fixed and released as v1.7.0.