Unexpected validation result

interactor_validation.rb

class DoSomething < ActiveInteractor::Base
  def perform
  end
end

class DoSomethingContext < ActiveInteractor::Context::Base
  attribute :my_attribute
  validates :my_attribute, presence: true, on: :calling
end

result = DoSomething.perform(my_attribute: nil)

result.success?
# => false (expected)

result.valid?
# => true (unexpexted!)

result.errors.any?
# => false (unexpexted!)