diff --git a/tests/FunctionCallTest.php b/tests/FunctionCallTest.php
index 98c54626577..48193fe1d83 100644
--- a/tests/FunctionCallTest.php
+++ b/tests/FunctionCallTest.php
@@ -1801,7 +1801,7 @@ function sayHello(string $needle): void {
                 ],
             ],
             'allowConstructorAfterEnumExists' => [
-                '<?php
+                'code' => '<?php
                     function foo(string $s) : void {
                         if (enum_exists($s)) {
                             new $s();
@@ -1812,7 +1812,7 @@ function foo(string $s) : void {
                 'php_version' => '8.1',
             ],
             'refineWithEnumExists' => [
-                '<?php
+                'code' => '<?php
                     function foo(string $s) : void {
                         if (enum_exists($s)) {
                             new ReflectionClass($s);
@@ -1823,7 +1823,7 @@ function foo(string $s) : void {
                 'php_version' => '8.1',
             ],
             'refineWithClassExistsOrEnumExists' => [
-                '<?php
+                'code' => '<?php
                     function foo(string $s) : void {
                         if (trait_exists($s) || enum_exists($s)) {
                             new ReflectionClass($s);