require 'db/mongo/models/stack_template/stack_template_openstack' RSpec.describe Devops::Model::StackTemplateOpenstack, type: :model do let(:stack_template) { build(:stack_template_openstack) } before do allow(Provider::ProviderFactory).to receive(:providers).and_return(%w(openstack)) allow_any_instance_of(Devops::Model::StackTemplateOpenstack).to receive_message_chain('provider_instance.validate_stack_template') { true } end it_behaves_like 'stack template' end