chore: Remove assumption that DataAccessors have a root container by default

test/integration/Authorization.test.ts

@@ -1,5 +1,7 @@
 import type { MockResponse } from 'node-mocks-http';
+import { RootContainerInitializer } from '../../src/init/RootContainerInitializer';
 import { BasicHandlersWithAclConfig } from '../configs/BasicHandlersWithAclConfig';
+import { BASE } from '../configs/Util';
 import { AclTestHelper } from '../util/TestHelpers';
 import { call } from '../util/Util';
 
@@ -9,6 +11,12 @@ describe('A server with authorization', (): void => {
   const { store } = config;
   const aclHelper = new AclTestHelper(store, 'http://test.com/');
 
+  beforeAll(async(): Promise<void> => {
+    // Initialize store
+    const initializer = new RootContainerInitializer(BASE, config.store);
+    await initializer.handleSafe();
+  });
+
   it('can create new entries.', async(): Promise<void> => {
     await aclHelper.setSimpleAcl({ read: true, write: true, append: true }, 'agent');