Add some tests to verify we're not leaking anything to completely public users (we're not)

data/database.py

@@ -4,7 +4,6 @@ import logging
 from random import SystemRandom
 from datetime import datetime
 from peewee import *
-from peewee import create_model_tables
 
 from app import app
 
@@ -201,18 +200,7 @@ class QueueItem(BaseModel):
   processing_expires = DateTimeField(null=True, index=True)
 
 
-def initialize_db():
-  create_model_tables([User, Repository, Image, AccessToken, Role,
-                       RepositoryPermission, Visibility, RepositoryTag,
-                       EmailConfirmation, FederatedLogin, LoginService,
-                       QueueItem, RepositoryBuild, Team, TeamMember,
-                       TeamRole])
-  Role.create(name='admin')
-  Role.create(name='write')
-  Role.create(name='read')
-  TeamRole.create(name='admin')
-  TeamRole.create(name='creator')
-  TeamRole.create(name='member')
-  Visibility.create(name='public')
-  Visibility.create(name='private')
-  LoginService.create(name='github')
+all_models = [User, Repository, Image, AccessToken, Role,
+              RepositoryPermission, Visibility, RepositoryTag,
+              EmailConfirmation, FederatedLogin, LoginService, QueueItem,
+              RepositoryBuild, Team, TeamMember, TeamRole]