Merge pull request #20 from seregazhuk/revert-19-require-dev-phpunit

Revert "Make phpunit/phpunit a development requirement"

Author: seregazhuk

composer.json

@@ -18,6 +18,7 @@
     "require": {
         "php": ">=7.2",
         "react/promise": "^2.7",
+        "phpunit/phpunit": "^8.2",
         "clue/block-react": "^1.3"
     },
     "autoload": {
@@ -31,7 +32,6 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.2",
         "codeclimate/php-test-reporter": "^0.4.4"
     },
     "scripts": {