Use new error format for auth errors (factor exceptions into module)

test/test_api_usage.py

@@ -44,7 +44,7 @@ from endpoints.api.logs import UserLogs, OrgLogs, OrgAggregateLogs, UserAggregat
 from endpoints.api.billing import (UserCard, UserPlan, ListPlans, OrganizationCard,
                                    OrganizationPlan)
 from endpoints.api.discovery import DiscoveryResource
-from endpoints.api.error import ApiError
+from endpoints.api.error import Error
 from endpoints.api.organization import (OrganizationList, OrganizationMember,
                                         OrgPrivateRepositories, OrganizationMemberList,
                                         Organization, ApplicationInformation,
@@ -237,12 +237,12 @@ class TestDiscovery(ApiTestCase):
     assert 'paths' in json
 
 
-class TestError(ApiTestCase):
+class TestErrorDescription(ApiTestCase):
     def test_get_error(self):
-        json = self.getJsonResponse(APIError, data=dict(error='not_found'))
+        json = self.getJsonResponse(Error, params=dict(error_type='not_found'))
         assert json['title'] == 'not_found'
-        assert type in json
-        assert description in json
+        assert 'type' in json
+        assert 'description' in json
 
 
 class TestPlans(ApiTestCase):
@@ -355,7 +355,7 @@ class TestGetUserPrivateAllowed(ApiTestCase):
     assert json['privateCount'] == 0
     assert not json['privateAllowed']
 
-  def test_allowedz(self):
+  def test_allowed(self):
     self.login(ADMIN_ACCESS_USER)
 
     # Change the subscription of the namespace.