# Import test packs 
source: https://developer.mastercard.com/account-to-account-commerce-for-dsp/tutorial/insomnia/step-2/index.md

## Generating Test Cases and Environments {#generating-test-cases-and-environments}

1. Click the "Scratch Pad" button and select "Import".

2. Drag and drop the YAML file available in the Test Pack or select them manually to import. Then, click "Scan" and "Import."
   ![importfile](https://static.developer.mastercard.com/content/account-to-account-commerce-for-dsp/uploads/insomnia-slides/importdspfile.png)

3. The imported collection will appear in the Scratch Pad.

4. From the "Environments" dropdown menu, select the A2A_ACCREDITATION_TEST_ENVIRONMENT_Sandbox environment to view the environment variables.