message: API: Remove unused /api/chatRoom test import
diff: @@ -4,7 +4,6 @@ import {FixtureUtils} from '../../fixtures/FixtureUtils';
  import {ICourseModel} from '../../src/models/Course';
  import {ICourse} from '../../../shared/models/ICourse';
  import {JwtUtils} from '../../src/security/JwtUtils';
  -import {MigrationHandler} from '../../src/migrations/MigrationHandler';
  import {IChatRoom} from '../../../shared/models/IChatRoom';
  import chai = require('chai');
  import chaiHttp = require('chai-http');
  