Add run_test prompt

[tagboola]

Description

Scenarios Tested

Sample Commands

[gemini-code-assist]

Summary of Changes

Hello @tagboola, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a significant new capability for Firebase App Testing by adding an AI-guided prompt. This prompt, named "run_test", assists developers in setting up and executing automated tests for their Android mobile applications, providing detailed prerequisites, test case generation guidelines, and instructions for running the tests. The feature is currently enabled via the "mcpalpha" experiment flag, signifying its early-stage development.

Highlights

• AI-Guided App Testing Prompt: Introduced a new "run_test" prompt designed to guide developers through generating and executing tests for mobile applications using the Firebase App Testing agent.
• Experiment Flag Integration: The new App Testing prompt is integrated under the "mcpalpha" experiment flag, indicating it's an alpha feature.
• Version Bump: The "firebase-tools" package version has been incremented from "14.19.0" to "14.19.1".

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[gemini-code-assist]

Code Review

This pull request introduces a new run_test prompt for the Firebase App Testing agent, enabled via the mcpalpha experiment flag. The changes include adding the new prompt, its definition with detailed instructions for an AI model, and wiring it into the existing prompt system. My review focuses on the new prompt definition in src/mcp/prompts/apptesting/run_test.ts. I've pointed out several typos in the prompt text and a potential functional issue with an incorrect tool name, which could prevent the feature from working as expected. The changes are otherwise well-structured.

[jrothfeder]

This looks good. One thing I was surprised to see is that Gemini was able to figure a lot out by simply examining the schema of the parameters in the tool. We probably want to take another look at this once the tool is ready.