Fix some parameters being sent in tests

Fixes one parameter being sent so that the suite is compliant with a
version of stripe-mock that's checking for extra parameters.

See stripe/stripe-ruby#650 as another sample
with more context.

tests/api_resources/test_account.py

@@ -52,22 +52,26 @@ def test_is_saveable_with_additional_owners(self):
  # stripe-mock does not return additional owners so we construct
  account = stripe.Account.construct_from({
  'id': '%s' % TEST_RESOURCE_ID,
- 'additional_owners': [{
- 'first_name': 'name',
- 'verification': {},
- }]
+ 'legal_entity': {
+ 'additional_owners': [{
+ 'first_name': 'name',
+ 'verification': {},
+ }],
+ }
  }, stripe.api_key)
- owner = account.additional_owners[0]
+ owner = account.legal_entity.additional_owners[0]
  owner.verification.document = 'file_foo'
  resource = account.save()
  self.assert_requested(
  'post',
  '/v1/accounts/%s' % TEST_RESOURCE_ID,
  {
- 'additional_owners': {
- '0': {
- 'verification': {
- 'document': 'file_foo',
+ 'legal_entity': {
+ 'additional_owners': {
+ '0': {
+ 'verification': {
+ 'document': 'file_foo',
+ },
  },
  },
  },

tests/api_resources/test_subscription.py

@@ -28,7 +28,6 @@ def test_is_retrievable(self):
  def test_is_creatable(self):
  resource = stripe.Subscription.create(
  customer='cus_123',
- plan='plan'
  )
  self.assert_requested(
  'post',