uninitialized constant SlackRubyBotServer::Stripe::Models::Mongoid::Boolean

[duffn]

Running tests locally results in the following error, which seems to be the same as slack-ruby/slack-ruby-bot-server#140.

I will attempt to fix.

$ ruby -v
ruby 2.6.2p47 (2019-03-13 revision 67232) [x86_64-darwin20]

$ DATABASE_ADAPTER=mongoid bundle install
$ DATABASE_ADAPTER=mongoid bundle exec rake spec

An error occurred while loading ./spec/integration/subscribe_spec.rb.
Failure/Error: field :subscribed, type: Boolean, default: false

NameError:
  uninitialized constant SlackRubyBotServer::Stripe::Models::Mongoid::Boolean
# ./lib/slack-ruby-bot-server-stripe/models/mongoid.rb:14:in `block in <module:Mongoid>'
# ./lib/slack-ruby-bot-server-stripe/models/mongoid.rb:29:in `include'
# ./lib/slack-ruby-bot-server-stripe/models/mongoid.rb:29:in `<top (required)>'
# ./lib/slack-ruby-bot-server-stripe/models.rb:4:in `require_relative'
# ./lib/slack-ruby-bot-server-stripe/models.rb:4:in `<top (required)>'
# ./lib/slack-ruby-bot-server-stripe.rb:10:in `require_relative'
# ./lib/slack-ruby-bot-server-stripe.rb:10:in `<top (required)>'
# ./spec/spec_helper.rb:6:in `<top (required)>'
# ./spec/integration/subscribe_spec.rb:3:in `require'
# ./spec/integration/subscribe_spec.rb:3:in `<top (required)>'