> ## Documentation Index
> Fetch the complete documentation index at: https://rive.app/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Tests

A function that defines a collection of test cases. The [Tester](/docs/scripting/api-reference/testing/tester) is provided
to allow cases and groups to be declared.

See [Unit Testing](/docs/scripting/debugging/unit-testing) for usage.