diff --git a/tests/Module/ModuleManagerTest.php b/tests/Module/ModuleManagerTest.php
index a37f0043e..c652d5218 100644
--- a/tests/Module/ModuleManagerTest.php
+++ b/tests/Module/ModuleManagerTest.php
@@ -37,7 +37,7 @@ class ModuleManagerTest extends \PHPUnit\Framework\TestCase
 
     protected function setUp() : void
     {
-        $this->app = new class() extends ApplicationAbstract {
+        $this->app                    = new class() extends ApplicationAbstract {
             protected string $appName = 'Api';
         };
 
diff --git a/tests/Utils/ArrayUtilsTest.php b/tests/Utils/ArrayUtilsTest.php
index 61e5e54fb..c0ce0c8cf 100644
--- a/tests/Utils/ArrayUtilsTest.php
+++ b/tests/Utils/ArrayUtilsTest.php
@@ -84,7 +84,7 @@ class ArrayUtilsTest extends \PHPUnit\Framework\TestCase
             2 => '2a',
         ];
 
-        self::assertEquals(null, ArrayUtils::getArray('a/zzz/1', $expected));
+        self::assertNull(ArrayUtils::getArray('a/zzz/1', $expected));
     }
 
     /**
diff --git a/tests/Utils/StringUtilsTest.php b/tests/Utils/StringUtilsTest.php
index 38ee52f92..dd2694173 100644
--- a/tests/Utils/StringUtilsTest.php
+++ b/tests/Utils/StringUtilsTest.php
@@ -173,7 +173,7 @@ class StringUtilsTest extends \PHPUnit\Framework\TestCase
      */
     public function testInvalidStringify() : void
     {
-        self::assertEquals(null, StringUtils::stringify(new class() {}));
+        self::assertNull(StringUtils::stringify(new class() {}));
     }
 
     /**