---
title: "Tests"
manual: "TYPO3 Explained"
version: "13.4"
permalink: "https://docs.typo3.org/permalink/t3coreapi:extension-files-tests@13.4"
source: "ExtensionArchitecture/FileStructure/Tests/Index.rst"
rendered: "2026-10-04T08:50:54+00:00"
---

# `Tests` {#extension-files-tests}

This folder contains all automatic tests to test the extension.

Read more about [automatic testing](https://docs.typo3.org/permalink/t3coreapi:testing@13.4)

-   **Tests/Unit**

    Contains unit tests and fixtures.

-   **Tests/Functional**

    Contains functional tests and fixtures.