Backport Rewrite phpunit tests to pest (spatie#183)

This will help backporting changes from main branch

.github/workflows/run-tests.yml

@@ -28,10 +28,9 @@ jobs:
       - name: Setup problem matchers
         run: |
           echo "::add-matcher::${{ runner.tool_cache }}/php.json"
-          echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
 
       - name: Install dependencies
         run: composer update --${{ matrix.stability }} --prefer-dist --no-interaction
 
       - name: Execute tests
-        run: vendor/bin/phpunit
+        run: vendor/bin/pest

composer.json

@@ -23,7 +23,8 @@
     "require-dev": {
         "phpunit/phpunit" : "^9.0",
         "mockery/mockery": "^1.2",
-        "spatie/phpunit-snapshot-assertions": "^4.2"
+        "pestphp/pest": "^1.21",
+        "spatie/pest-plugin-snapshots": "^1.1"
     },
     "autoload": {
         "psr-4": {
@@ -36,6 +37,11 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit"
+        "test": "vendor/bin/pest"
+    },
+    "config": {
+        "allow-plugins": {
+            "pestphp/pest-plugin": true
+        }
     }
 }