diff --git a/rules-tests/DowngradePhp73/Rector/String_/DowngradeFlexibleHeredocSyntaxRector/Fixture/comma_in_array.php.inc b/rules-tests/DowngradePhp73/Rector/String_/DowngradeFlexibleHeredocSyntaxRector/Fixture/comma_in_array.php.inc
new file mode 100644
index 00000000..e79ae699
--- /dev/null
+++ b/rules-tests/DowngradePhp73/Rector/String_/DowngradeFlexibleHeredocSyntaxRector/Fixture/comma_in_array.php.inc
@@ -0,0 +1,44 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp73\Rector\String_\DowngradeFlexibleHeredocSyntaxRector\Fixture;
+
+class CommaInArray
+{
+    public function run()
+    {
+        $variable = [
+                <<<EOT
+                <?php
+                /** @readonly */
+                class C {
+                }\n
+            EOT,
+            new \stdClass()
+        ];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp73\Rector\String_\DowngradeFlexibleHeredocSyntaxRector\Fixture;
+
+class CommaInArray
+{
+    public function run()
+    {
+        $variable = [
+                <<<EOT
+<?php
+/** @readonly */
+class C {
+}\n
+EOT
+,
+            new \stdClass()
+        ];
+    }
+}
+
+?>