utility for testing custom elements

The core test runtime that executes on React Native devices, providing Jest-compatible APIs (describe, it, expect) and managing test collection, execution, and result reporting in native environments.





WebdriverIO support for Angular component test harnesses.
Native UI testing module for React Native Harness.
Test harnesses for LeafyGreen repositories
This package contains a module for locally hosting PowerApps Component Framework (PCF) controls. See project homepage how to install.
Node-based harness for test262
Test Framework for CHT Projects

Feature flags SDK for NodeJS environments

Harness-backed AI testing on top of Vitest.
A tool for respawning node binaries when special flags are present.
Statsig Node.js SDK for usage in multi-user server environments.

Core platform abstractions for React Native Harness
Metro bundler for React Native Harness
## The Background Story