--- a/vendor/behat/mink/src/Selector/Xpath/Escaper.php   2022-03-15 10:30:18.902551052 +1300
+++ b/vendor/behat/mink/src/Selector/Xpath/Escaper.php    2022-03-15 10:31:41.315406073 +1300
@@ -47,6 +47,6 @@
             }
         }
 
-        return sprintf('concat(%s)', implode($parts, ','));
+        return sprintf('concat(%s)', implode(',', $parts));
     }
 }