From 02be4cad27e2cc99a1b43a7ef5f35e43ebfb478b Mon Sep 17 00:00:00 2001
From: Dmitrii Maganov <vonagam@gmail.com>
Date: Mon, 11 Feb 2019 04:29:32 +0300
Subject: [PATCH] feat: do concat in mutation mode (#461)

---
 src/mixed.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mixed.js b/src/mixed.js
index 2e4824aae..f72b49f71 100644
--- a/src/mixed.js
+++ b/src/mixed.js
@@ -123,8 +123,10 @@ const proto = (SchemaType.prototype = {
 
     // manually add the new tests to ensure
     // the deduping logic is consistent
-    schema.tests.forEach(fn => {
-      next = next.test(fn.OPTIONS);
+    next.withMutation(next => {
+      schema.tests.forEach(fn => {
+        next.test(fn.OPTIONS);
+      });
     });
 
     return next;