fix: enable "showDiff" for "toThrow(CustomErrorClass)"

packages/expect/src/jest-expect.ts

@@ -581,7 +581,6 @@ export const JestChaiExpect: ChaiPlugin = (chai, utils) => {
         `expected error not to be instance of ${name}`,
         expected,
         thrown,
-        false,
       )
     }
 

test/core/test/__snapshots__/jest-expect.test.ts.snap

@@ -297,3 +297,16 @@ stringContainingCustom<ll>
   "message": "expected error to match asymmetric matcher",
 }
 `;
+
+exports[`asymmetric matcher error 23`] = `
+{
+  "actual": "[Error: hello]",
+  "diff": "- Expected: 
+[Function MyError1]
+
++ Received: 
+[Error: hello]",
+  "expected": "[Function MyError1]",
+  "message": "expected error to be instance of MyError1",
+}
+`;

test/core/test/jest-expect.test.ts

@@ -1074,6 +1074,14 @@ it('asymmetric matcher error', () => {
   snapshotError(() => expect(() => {
     throw new Error('hello')
   }).toThrow((expect as any).stringContainingCustom('ll')))
+
+  // error constructor
+  class MyError1 extends Error {}
+  class MyError2 extends Error {}
+
+  snapshotError(() => expect(() => {
+    throw new MyError2('hello')
+  }).toThrow(MyError1))
 })
 
 it('timeout', () => new Promise(resolve => setTimeout(resolve, 500)))