fix bootstrapping of test data

Development/server/tests/integration/jest.setup.js

@@ -16,6 +16,34 @@ if (!process.env.TOKEN_SECRET) {
   process.env.TOKEN_SECRET = 'test-secret-not-for-production';
 }
 
+const mailerMock = {
+  agmMailSig: ['Best,', 'AgMision Team'],
+  sendTestMail: jest.fn(async () => ({})),
+  sendMail: jest.fn(async () => ({})),
+  sendTextMail: jest.fn(async () => ({})),
+  sendAdminNotification: jest.fn(async () => ({})),
+  sendUpdatePaymentEmail: jest.fn(async () => ({})),
+  sendUpdateBillingAddressEmail: jest.fn(async () => ({})),
+  sendCurSubcriptionsEmail: jest.fn(async () => ({})),
+  sendSubTrialEndingRemindEmail: jest.fn(async () => ({})),
+  sendSubRenewalRemindEmail: jest.fn(async () => ({})),
+  sendTempCredential: jest.fn(async () => ({})),
+  sendPasswordResetEmail: jest.fn(async () => ({})),
+  sendResetPasswordEmail: jest.fn(async () => ({})),
+  validateEmailDelivery: jest.fn(async () => true),
+  sendEmailVerificationCode: jest.fn(async () => ({})),
+  sendWelcomeNewAccEmail: jest.fn(async () => ({})),
+  sendPromoExpiredEmail: jest.fn(async () => ({})),
+  withBaseUrl: jest.fn((value) => value),
+};
+
+jest.doMock(require.resolve('../../helpers/mailer'), () => mailerMock);
+jest.mock('error-handler', () => ({
+  errorHandler: {
+    mailErrorToAdmin: jest.fn(async () => ({})),
+  },
+}), { virtual: true });
+
 const { MongoMemoryServer } = require('mongodb-memory-server');
 const mongoose = require('mongoose');
 
@@ -44,6 +72,7 @@ async function connectDB() {
   const uri = mongod.getUri();
 
   mongoose.set('strictPopulate', false);
+  mongoose.set('strictQuery', false);
   await mongoose.connect(uri, {
     connectTimeoutMS: 15000,
     socketTimeoutMS:  30000,