fix lint errors

apps/app/test/integration/migrations/20210913153942-migrate-slack-app-integration-schema.test.ts

@@ -1,7 +1,7 @@
-import mongoose from 'mongoose';
 import { Collection } from 'mongodb';
+import mongoose from 'mongoose';
 
-const migrate = require('~/migrations/20210913153942-migrate-slack-app-integration-schema');
+import migrate from '~/migrations/20210913153942-migrate-slack-app-integration-schema';
 
 describe('migrate-slack-app-integration-schema', () => {
 

apps/app/test/integration/service/questionnaire-cron.test.ts

@@ -1,3 +1,5 @@
+// eslint-disable-next-line no-restricted-imports
+import axios from 'axios';
 import mongoose from 'mongoose';
 
 import { IProactiveQuestionnaireAnswer } from '../../../src/features/questionnaire/interfaces/proactive-questionnaire-answer';
@@ -9,8 +11,6 @@ import QuestionnaireAnswerStatus from '../../../src/features/questionnaire/serve
 import QuestionnaireOrder from '../../../src/features/questionnaire/server/models/questionnaire-order';
 import { getInstance } from '../setup-crowi';
 
-const axios = require('axios').default;
-
 const spyAxiosGet = jest.spyOn<typeof axios, 'get'>(
   axios,
   'get',