diff --git a/src/modules/ad/adapters/primaries/ad.presenter.ts b/src/modules/ad/adapters/primaries/ad.presenter.ts
index b4e58e4..1a4d67c 100644
--- a/src/modules/ad/adapters/primaries/ad.presenter.ts
+++ b/src/modules/ad/adapters/primaries/ad.presenter.ts
@@ -3,7 +3,4 @@ import { AutoMap } from '@automapper/classes';
 export class AdPresenter {
   @AutoMap()
   uuid: string;
-
-  @AutoMap()
-  driver: boolean;
 }
diff --git a/src/modules/ad/domain/entities/ad.ts b/src/modules/ad/domain/entities/ad.ts
index b4e95e0..0350f1a 100644
--- a/src/modules/ad/domain/entities/ad.ts
+++ b/src/modules/ad/domain/entities/ad.ts
@@ -3,7 +3,4 @@ import { AutoMap } from '@automapper/classes';
 export class Ad {
   @AutoMap()
   uuid: string;
-
-  @AutoMap()
-  driver: boolean;
 }
diff --git a/src/modules/ad/tests/unit/find-ad-by-uuid.usecase.spec.ts b/src/modules/ad/tests/unit/find-ad-by-uuid.usecase.spec.ts
new file mode 100644
index 0000000..7e124df
--- /dev/null
+++ b/src/modules/ad/tests/unit/find-ad-by-uuid.usecase.spec.ts
@@ -0,0 +1,71 @@
+import { NotFoundException } from '@nestjs/common';
+import { Test, TestingModule } from '@nestjs/testing';
+import { Messager } from '../../adapters/secondaries/messager';
+import { FindAdByUuidQuery } from '../../queries/find-ad-by-uuid.query';
+import { AdsRepository } from '../../adapters/secondaries/ads.repository';
+import { FindAdByUuidUseCase } from '../../domain/usecases/find-ad-by-uuid.usecase';
+import { FindAdByUuidRequest } from '../../domain/dtos/find-ad-by-uuid.request';
+
+const mockAd = {
+  uuid: 'bb281075-1b98-4456-89d6-c643d3044a91',
+};
+
+const mockAdRepository = {
+  findOneByUuid: jest
+    .fn()
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    .mockImplementationOnce((query?: FindAdByUuidQuery) => {
+      return Promise.resolve(mockAd);
+    })
+    .mockImplementation(() => {
+      return Promise.resolve(undefined);
+    }),
+};
+
+const mockMessager = {
+  publish: jest.fn().mockImplementation(),
+};
+
+describe('FindAdByUuidUseCase', () => {
+  let findAdByUuidUseCase: FindAdByUuidUseCase;
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      imports: [],
+      providers: [
+        {
+          provide: AdsRepository,
+          useValue: mockAdRepository,
+        },
+        {
+          provide: Messager,
+          useValue: mockMessager,
+        },
+        FindAdByUuidUseCase,
+      ],
+    }).compile();
+
+    findAdByUuidUseCase = module.get<FindAdByUuidUseCase>(FindAdByUuidUseCase);
+  });
+  it('should be defined', () => {
+    expect(findAdByUuidUseCase).toBeDefined();
+  });
+  describe('execute', () => {
+    it('should return an ad', async () => {
+      const findAdByUuidRequest: FindAdByUuidRequest =
+        new FindAdByUuidRequest();
+      findAdByUuidRequest.uuid = 'bb281075-1b98-4456-89d6-c643d3044a91';
+      const ad = await findAdByUuidUseCase.execute(
+        new FindAdByUuidQuery(findAdByUuidRequest),
+      );
+      expect(ad).toBe(mockAd);
+    });
+    it('should throw an error if ad does not exist', async () => {
+      const findAdByUuidRequest: FindAdByUuidRequest =
+        new FindAdByUuidRequest();
+      findAdByUuidRequest.uuid = 'bb281075-1b98-4456-89d6-c643d3044a90';
+      await expect(
+        findAdByUuidUseCase.execute(new FindAdByUuidQuery(findAdByUuidRequest)),
+      ).rejects.toBeInstanceOf(NotFoundException);
+    });
+  });
+});
diff --git a/src/modules/ad/tests/unit/messager.spec.ts b/src/modules/ad/tests/unit/messager.spec.ts
new file mode 100644
index 0000000..2296553
--- /dev/null
+++ b/src/modules/ad/tests/unit/messager.spec.ts
@@ -0,0 +1,47 @@
+import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
+import { ConfigService } from '@nestjs/config';
+import { Test, TestingModule } from '@nestjs/testing';
+import { Messager } from '../../adapters/secondaries/messager';
+
+const mockAmqpConnection = {
+  publish: jest.fn().mockImplementation(),
+};
+
+const mockConfigService = {
+  get: jest.fn().mockResolvedValue({
+    RMQ_EXCHANGE: 'mobicoop',
+  }),
+};
+
+describe('Messager', () => {
+  let messager: Messager;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      imports: [],
+      providers: [
+        Messager,
+        {
+          provide: AmqpConnection,
+          useValue: mockAmqpConnection,
+        },
+        {
+          provide: ConfigService,
+          useValue: mockConfigService,
+        },
+      ],
+    }).compile();
+
+    messager = module.get<Messager>(Messager);
+  });
+
+  it('should be defined', () => {
+    expect(messager).toBeDefined();
+  });
+
+  it('should publish a message', async () => {
+    jest.spyOn(mockAmqpConnection, 'publish');
+    messager.publish('ad.create.info', 'my-test');
+    expect(mockAmqpConnection.publish).toHaveBeenCalledTimes(1);
+  });
+});