diff --git a/apps/queue/test/calculateCoefficients.spec.ts b/apps/queue/src/helpers/calculateCoefficients.spec.ts
similarity index 95%
rename from apps/queue/test/calculateCoefficients.spec.ts
rename to apps/queue/src/helpers/calculateCoefficients.spec.ts
index 9461a577..1365f149 100644
--- a/apps/queue/test/calculateCoefficients.spec.ts
+++ b/apps/queue/src/helpers/calculateCoefficients.spec.ts
@@ -1,5 +1,5 @@
 import { assert, describe, it } from 'vitest';
-import { calculateCoefficients } from '../src/helpers/calculateCoefficients.js';
+import { calculateCoefficients } from './calculateCoefficients.js';
 
 describe('calculateCoefficients', () => {
   it('should calculate coefficients', () => {
diff --git a/apps/queue/src/integration/ses.spec.ts b/apps/queue/src/integration/ses.spec.ts
new file mode 100644
index 00000000..9ca6d98e
--- /dev/null
+++ b/apps/queue/src/integration/ses.spec.ts
@@ -0,0 +1,77 @@
+import assert from 'node:assert';
+import { MAILER_CONFIG } from '@next/constants';
+import { afterEach, beforeEach, describe, it, vi } from 'vitest';
+import { sesSendEmail } from './ses.js';
+
+// TODO: write tests for the email send
+describe('integration.ses', () => {
+  let stub: any;
+  vi.mock('aws-sdk/client-ses', () => ({
+    SESClient: vi.fn(() => ({
+      send: vi.fn().mockResolvedValue({}),
+      destroy: vi.fn(),
+    })),
+    SendTemplatedEmailCommand: vi.fn(),
+  }));
+
+  vi.mock('@/config/config.js', () => ({
+    Config: {
+      AWS_REGION: 'your-region',
+      AWS_ACCESS_KEY_ID: 'your-access-key-id',
+      AWS_SECRET_ACCESS_KEY: 'your-secret-access-key',
+    },
+  }));
+
+  beforeEach(() => {
+    // stub = sinon.stub(ofetch, 'post');
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+    // stub.restore();
+  });
+
+  it.skip('send a email to a single recipient', async () => {
+    const email = {
+      recipient: 'email@test.com',
+      body: {
+        name: 'My name',
+      },
+    };
+
+    const sender = { name: 'test', email: 'sender@email.com' };
+
+    await sesSendEmail(email, sender, 'templateId');
+    assert.equal(stub.callCount, 1);
+    assert.equal(
+      stub.firstCall.args[0],
+      'https://api.sendgrid.com/v3/mail/send',
+    );
+    const params = stub.firstCall.args[1];
+    assert.equal(params.personalizations.length, 1);
+    assert.equal(params.from.name, sender.name);
+    assert.equal(params.from.email, MAILER_CONFIG.EMAIL);
+    assert.equal(params.reply_to.email, sender.email);
+  });
+
+  it.skip('send a email for multiple single recipient', async () => {
+    const email = [
+      {
+        recipient: 'email@test.com',
+        body: { name: 'My name' },
+      },
+      {
+        recipient: 'email2@test.com',
+      },
+    ];
+
+    await sesSendEmail(email, {}, 'templateId');
+    assert.deepEqual(stub.callCount, 1);
+    assert.deepEqual(
+      stub.firstCall.args[0],
+      'https://api.sendgrid.com/v3/mail/send',
+    );
+    const params = stub.firstCall.args[1];
+    assert.deepEqual(params.personalizations.length, 2);
+  });
+});