Update test environment to fix tests on legacy PHP 7.2 with PHPUnit 8.5

Author: clue

.github/workflows/ci.yml

@@ -30,10 +30,7 @@ jobs:
           ini-file: development
       - run: composer install
       - run: docker run --net=host -d redis
-      - run: REDIS_URI=localhost:6379 vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml
-        if: ${{ matrix.php >= 7.3 }}
-      - run: REDIS_URI=localhost:6379 vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml -c phpunit.xml.legacy
-        if: ${{ matrix.php < 7.3 }}
+      - run: REDIS_URI=localhost:6379 vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml ${{ matrix.php < 7.3 && '-c phpunit.xml.legacy' || '' }}
       - name: Check 100% code coverage
         shell: php {0}
         run: |

composer.json

@@ -20,7 +20,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "1.12.32 || 1.4.10",
-        "phpunit/phpunit": "^9.6 || ^7.5",
+        "phpunit/phpunit": "^9.6 || ^8.5 || ^7.5",
         "react/async": "^4.3 || ^3.2"
     },
     "autoload": {