Fix phpunit

.gitignore

@@ -1,3 +1,4 @@
 vendor/
 composer.lock
 phpunit.phar
+.phpunit.result.cache

phpunit.xml

@@ -1,17 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
 >
     <testsuites>
         <testsuite name="Package Test Suite">
-            <directory suffix=".php">./tests/</directory>
+            <directory>tests</directory>
         </testsuite>
     </testsuites>
-</phpunit>
+</phpunit>

tests/PersianValidationTest.php

@@ -34,13 +34,9 @@ class PersianValidationTest extends TestCase
 	 */
 	protected $persianValidator;
 
-    /**
-     * PersianValidationTest constructor.
-     */
-    public function __construct()
+    protected function setUp(): void
     {
         $this->persianValidator = new PersianValidators();
-        parent::__construct();
     }
 
     /**