add fixture skip mixed type

Author: samsonasik

rules-tests/CodingStyle/Rector/FuncCall/StrictInArrayRector/Fixture/skip_mixed_type.php.inc

@@ -0,0 +1,12 @@
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\FuncCall\StrictInArrayRector\Fixture;
+
+class SkipMixedType
+{
+    public function run(mixed $value)
+    {
+        $items = ['10', '20', '30'];
+        return in_array($value, $items);
+    }
+}