diff --git a/packages/backend/src/serializers/execution.test.js b/packages/backend/src/serializers/execution.test.js
new file mode 100644
index 00000000..0bdf5092
--- /dev/null
+++ b/packages/backend/src/serializers/execution.test.js
@@ -0,0 +1,38 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import executionSerializer from './execution';
+import flowSerializer from './flow';
+import { createExecution } from '../../test/factories/execution';
+import { createFlow } from '../../test/factories/flow';
+
+describe('executionSerializer', () => {
+  let flow, execution;
+
+  beforeEach(async () => {
+    flow = await createFlow();
+
+    execution = await createExecution({
+      flowId: flow.id,
+    });
+  });
+
+  it('should return the execution data', async () => {
+    const expectedPayload = {
+      id: execution.id,
+      testRun: execution.testRun,
+      createdAt: execution.createdAt.getTime(),
+      updatedAt: execution.updatedAt.getTime(),
+    };
+
+    expect(executionSerializer(execution)).toEqual(expectedPayload);
+  });
+
+  it('should return the execution data with the flow', async () => {
+    execution.flow = flow;
+
+    const expectedPayload = {
+      flow: flowSerializer(flow),
+    };
+
+    expect(executionSerializer(execution)).toMatchObject(expectedPayload);
+  });
+});