diff -up ./tests/EmailValidator/Validation/MultipleValidationWithAndTest.php.old ./tests/EmailValidator/Validation/MultipleValidationWithAndTest.php
--- ./tests/EmailValidator/Validation/MultipleValidationWithAndTest.php.old	2020-08-11 11:42:35.142594018 +0200
+++ ./tests/EmailValidator/Validation/MultipleValidationWithAndTest.php	2020-08-11 11:43:45.452483997 +0200
@@ -28,11 +28,9 @@ class MultipleValidationWithAndTest exte
         $this->assertFalse($multipleValidation->isValid("exmpale@example.com", $lexer));
     }
 
-    /**
-     * @expectedException \Egulias\EmailValidator\Validation\Exception\EmptyValidationList
-     */
     public function testEmptyListIsNotAllowed()
-    {
+    {        
+        $this->expectException(\Egulias\EmailValidator\Validation\Exception\EmptyValidationList::class);
         new MultipleValidationWithAnd([]);
     }
 
diff -up ./tests/EmailValidator/Validation/RFCValidationTest.php.old ./tests/EmailValidator/Validation/RFCValidationTest.php
--- ./tests/EmailValidator/Validation/RFCValidationTest.php.old	2020-08-11 11:41:25.030703727 +0200
+++ ./tests/EmailValidator/Validation/RFCValidationTest.php	2020-08-11 11:41:32.397692197 +0200
@@ -49,13 +49,13 @@ class RFCValidationTest extends TestCase
      */
     protected $lexer;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->validator = new RFCValidation();
         $this->lexer = new EmailLexer();
     }
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         $this->validator = null;
     }