Update the Functional Testing Framework

Two types of updates are available.

• Install a new version of the Functional Testing Framework

Use this type of update if the version of the Functional Testing Framework in <magento2>/dev/tests/functional/composer.json and last version in <magento2>/dev/tests/functional/vendor/magento/mtf/CHANGELOG.md are different. For example, when you updated Magento.

• Update components from dependencies in <magento2>/dev/tests/functional/composer.json

Use this type of update if you want to update dependent software from composer.json, or changed composer.json dependencies.

Install a new version of the Functional Testing Framework

Step 1. To avoid conflicts with the previous version, remove directory <magento2_root_dir>/dev/tests/functional/generate.

Step 2. Remove file <magento2_root_dir>/dev/tests/functional/composer.lock.

Why: Composer reads dependencies from composer.lock instead of reading composer.json. File composer.lock currently is not maintained.

Step 3. Perform and check installation.

Update components from dependencies in composer.json

Enter in terminal:

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cd <magento2_root_dir>/dev/tests/functional/

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composer update