docs: rework intro sections

Author: sean-perkins

docs/react/testing/introduction.md

@@ -10,23 +10,31 @@ This document provides an overview of how to test an application built with `@io
 
 ## Introduction
 
-Testing is an important part of the development process, and it helps to ensure that an application is working as intended. In `@ionic/react`, testing is done using a combination of tools and libraries, including Jest, React Testing Library, and Cypress.
+Testing is an important part of the development process, and it helps to ensure that an application is working as intended. In `@ionic/react`, testing is done using a combination of tools and libraries, including Vitest, Jest, React Testing Library, Playwright or Cypress.
+
+## Types of Tests
+
+There are two types of tests that can be written:
+
+**Unit Tests**: Unit tests are used to test individual functions and components in isolation. They are typically written using [Jest](https://jestjs.io) and [React Testing Library](https://testing-library.com) or [Vitest](https://vitest.dev).
+
+**Integration Tests**: Integration tests are used to test how different components work together. They are typically written using [Cypress](https://www.cypress.io) or [Playwright](https://playwright.dev).
 
 ## Tools and Libraries
 
-**Jest**: Jest is a popular testing framework for JavaScript applications. It's used to run unit tests and integration tests.
+### Unit Testing
 
-**React Testing Library**: React Testing Library is a set of utilities that make it easier to test React components. It's used to interact with components and test their behavior.
+[**Jest**](https://jestjs.io): Jest is a popular testing framework for JavaScript applications. It is included with `react-scripts` and is used to run unit tests.
 
-**Cypress**: Cypress is a modern testing tool that's used to run end-to-end tests. It allows developers to test the entire application, including the user interface, in a simulated environment.
+[**Vitest**](https://vitest.dev): Vitest is a modern testing framework powered by Vite. It is compatible with Jest and is used to run unit tests.
 
-## Types of Tests
+[**React Testing Library**](https://testing-library.com): React Testing Library is a set of utilities that make it easier to test React components. It's used to interact with components and test their behavior.
 
-There are two types of tests that can be written:
+### Integration Testing
 
-**Unit Tests**: Unit tests are used to test individual functions and components in isolation. They are typically written using Jest and React Testing Library.
+[**Cypress**](https://www.cypress.io): Cypress is a modern testing tool that's used to run end-to-end tests. It allows developers to test the entire application, including the user interface, in a simulated environment.
 
-**Integration Tests**: Integration tests are used to test how different components work together. They are typically written using Cypress.
+[**Playwright**](https://playwright.dev): Playwright is a browser automation library that's used to run end-to-end tests. It allows developers to test the entire application, including the user interface, in a simulated environment.
 
 ## Conclusion