refactor: Replace assertInternalType for assertIsArray

Author: DannyvdSluijs

tests/Constraints/TypeTest.php

@@ -80,7 +80,7 @@ private function assertTypeConstraintError($expected, TypeConstraint $actual)
 
         $actualError = $actualErrors[0];
 
-        $this->assertInternalType('array', $actualError, sprintf('Failed to assert that Type error is an array, %s given', gettype($actualError)));
+        $this->assertIsArray($actualError, sprintf('Failed to assert that Type error is an array, %s given', gettype($actualError)));
 
         $messageKey = 'message';
         $this->assertArrayHasKey(