Upgrade to Laravel 8

Author: dmitry-ivanov

README.md

@@ -4,9 +4,9 @@
 
 [<img src="https://user-images.githubusercontent.com/1286821/43083932-4915853a-8ea0-11e8-8983-db9e0f04e772.png" alt="Become a Patron" width="160" />](https://patreon.com/dmitryivanov)
 
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-[![Build Status](https://travis-ci.com/dmitry-ivanov/laravel-testing-tools.svg?branch=master)](https://travis-ci.com/dmitry-ivanov/laravel-testing-tools)
-[![Coverage Status](https://coveralls.io/repos/github/dmitry-ivanov/laravel-testing-tools/badge.svg?branch=master)](https://coveralls.io/github/dmitry-ivanov/laravel-testing-tools?branch=master)
+[![StyleCI](https://styleci.io/repos/75414626/shield?branch=8.x&style=flat)](https://styleci.io/repos/75414626)
+[![Build Status](https://travis-ci.com/dmitry-ivanov/laravel-testing-tools.svg?branch=8.x)](https://travis-ci.com/dmitry-ivanov/laravel-testing-tools)
+[![Coverage Status](https://coveralls.io/repos/github/dmitry-ivanov/laravel-testing-tools/badge.svg?branch=8.x)](https://coveralls.io/github/dmitry-ivanov/laravel-testing-tools?branch=8.x)
 
 [![Latest Stable Version](https://poser.pugx.org/illuminated/testing-tools/v/stable)](https://packagist.org/packages/illuminated/testing-tools)
 [![Latest Unstable Version](https://poser.pugx.org/illuminated/testing-tools/v/unstable)](https://packagist.org/packages/illuminated/testing-tools)
@@ -34,7 +34,7 @@ Laravel-specific Testing Helpers and Assertions.
 1. Install the package via Composer:
 
     ```shell script
-    composer require --dev illuminated/testing-tools
+    composer require --dev "illuminated/testing-tools:^8.0"
     ```
 
 2. Use `Illuminated\Testing\TestingTools` and disable `$mockConsoleOutput`: