diff --git a/src/shared/tasks/tasks.service.spec.ts b/src/shared/tasks/tasks.service.spec.ts
new file mode 100644
index 00000000..eb57e131
--- /dev/null
+++ b/src/shared/tasks/tasks.service.spec.ts
@@ -0,0 +1,74 @@
+import { TasksService } from "./tasks.service";
+import {generateTestVariation, TEST_PROJECT} from '../../_data_';
+import { Test, TestingModule } from "@nestjs/testing";
+import { PrismaService } from '../../prisma/prisma.service';
+import { TestVariationsService } from "../../test-variations/test-variations.service";
+
+const initService = async ({
+        projectFindManyMock = jest.fn(),
+        testVariationFindManyMock = jest.fn(),
+        testVariationsDeleteMock = jest.fn(),
+    }) => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        TasksService,
+        {
+          provide: PrismaService,
+          useValue: {
+            testVariation: {
+              findMany: testVariationFindManyMock,
+            },
+            project: {
+              findMany: projectFindManyMock,
+            },
+          },
+        },
+        {
+          provide: TestVariationsService,
+          useValue: {
+            delete: testVariationsDeleteMock,
+          },
+        },
+      ],
+    }).compile();
+  
+    return module.get<TasksService>(TasksService);
+  };
+
+describe('cleanOldTestVariations', () => {
+    let service: TasksService;
+        
+    it('findMany', async () => {
+        // .Arrange
+        const project = TEST_PROJECT
+        const testVariation = generateTestVariation()
+        const projectFindManyMock = jest.fn().mockResolvedValueOnce([project]);
+        const testVariationFindManyMock = jest.fn().mockResolvedValueOnce([testVariation])
+        const testVariationsDeleteMock = jest.fn()
+        service = await initService({
+            projectFindManyMock: projectFindManyMock,
+            testVariationFindManyMock: testVariationFindManyMock,
+            testVariationsDeleteMock: testVariationsDeleteMock
+        });
+        const dateNow = new Date('2022-10-23')
+        jest
+            .useFakeTimers()
+            .setSystemTime(dateNow);
+        const dateRemoveAfter: Date = new Date(dateNow);
+        dateRemoveAfter.setDate(dateRemoveAfter.getDate() - project.maxBranchLifetime);
+
+        // .Act
+        await service.cleanOldTestVariations()
+
+        // .Assert
+        expect(testVariationFindManyMock).toHaveBeenCalledWith({
+            where: {
+                updatedAt: { lte: dateRemoveAfter },
+                branchName: { not: project.mainBranchName },
+                projectId: project.id
+              }
+        });
+        expect(testVariationsDeleteMock).toBeCalledWith(testVariation.id);
+    });
+    
+})  
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