Fix build

tests/Levels/data/arithmeticOperators-4.json

@@ -0,0 +1,37 @@
+[
+    {
+        "ignorable": true,
+        "line": 25,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 26,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 27,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 28,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 29,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 36,
+        "message": "Variable $r is never read."
+    },
+    {
+        "ignorable": true,
+        "line": 43,
+        "message": "Variable $r is never read."
+    }
+]

tests/Levels/data/foreach-4.json

@@ -0,0 +1,7 @@
+[
+    {
+        "ignorable": true,
+        "line": 4,
+        "message": "Foreach value variable $val is never read."
+    }
+]

tests/Rules/ForLoop/OverwriteVariablesWithForLoopInitRuleTest.php

@@ -4,6 +4,7 @@
 
 use PHPStan\Rules\Rule;
 use PHPStan\Testing\RuleTestCase;
+use function array_merge;
 
 /**
  * @template-extends RuleTestCase<OverwriteVariablesWithForLoopInitRule>
@@ -94,5 +95,4 @@ public function testLoopVariableReuse(): void
 		]);
 	}
 
-
 }