Payment specs fixed

lib/yookassa/entity/payment.rb

@@ -42,7 +42,7 @@ module Yookassa
 
       # payment_method [object, optional]
       # Payment method  used for this payment.
-      attribute? :payment_method, Entity::PaymentMethod
+      attribute? :payment_method, Entity::PaymentMethods
 
       # captured_at [datetime, optional]
       # Time of payment capture, based on UTC and specified in the ISO 8601 format. "2018-07-18T10:51:18.139Z"

spec/yookassa/payment_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe Yookassa::Payment do
       expect(subject.paid).to eq false
       expect(subject.status).to eq "pending"
       expect(subject.captured_at).to eq nil
-      expect(subject.created_at).to eq "2019-06-10T21:26:41.395Z"
+      expect(subject.created_at).to eq DateTime.parse("2019-06-10T21:26:41.395Z")
       expect(subject.description).to eq nil
       expect(subject.expires_at).to eq nil
       expect(subject.metadata).to eq({})
@@ -31,7 +31,8 @@ RSpec.describe Yookassa::Payment do
       expect(subject.confirmation.return_url).to eq "https://url.test"
       expect(subject.confirmation.enforce).to eq nil
 
-      expect(subject.payment_method).to be_a Yookassa::Entity::PaymentMethod
+      expect(Yookassa::Entity::PaymentMethods.valid?(subject.payment_method)).to be_truthy
+      expect(subject.payment_method).to be_a(Yookassa::Entity::PaymentMethod::BankCard)
       expect(subject.payment_method.card).to eq nil
       expect(subject.payment_method.id).to eq "2490ded1-000f-5000-8000-1f64111bc63e"
       expect(subject.payment_method.saved).to eq false