From 60d6d173d37a57f2424b973e245a8e1675a229c3 Mon Sep 17 00:00:00 2001
From: Vladimir <sleuths.slews0s@icloud.com>
Date: Thu, 16 Nov 2023 12:06:24 +0100
Subject: [PATCH] fix(expect): don't fail when using jest expect (#4517)

---
 packages/expect/src/jest-extend.ts | 2 ++
 packages/expect/src/types.ts       | 1 +
 2 files changed, 3 insertions(+)

diff --git a/packages/expect/src/jest-extend.ts b/packages/expect/src/jest-extend.ts
index fba626bcefb4..fee75069895e 100644
--- a/packages/expect/src/jest-extend.ts
+++ b/packages/expect/src/jest-extend.ts
@@ -33,6 +33,8 @@ function getMatcherState(assertion: Chai.AssertionStatic & Chai.Assertion, expec
 
   const matcherState: MatcherState = {
     ...getState(expect),
+    // TODO: implement via expect.addEqualityTesters
+    customTesters: [],
     isNot,
     utils: jestUtils,
     promise,
diff --git a/packages/expect/src/types.ts b/packages/expect/src/types.ts
index f77183dad743..4a05a086454a 100644
--- a/packages/expect/src/types.ts
+++ b/packages/expect/src/types.ts
@@ -28,6 +28,7 @@ export interface MatcherHintOptions {
 }
 
 export interface MatcherState {
+  customTesters: Array<Tester>
   assertionCalls: number
   currentTestName?: string
   dontThrow?: () => void