Generates tests for the most significant class in a file.

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    Suggest Dart unit tests for the largest class in this file:

    $CURRENT_FILE

    Group the tests into a `testGroup` and include appropriate setup and teardown as needed.

| To run this prompt in Android Studio, click**Gemini** in the sidebar and paste it in the chat field.  
| To save and retrieve prompts in the Studio IDE, go to**Settings \> Gemini \> Prompt Library**.

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