Add array check

packages/expect-utils/src/utils.ts

@@ -370,7 +370,20 @@ export const subsetEquality = (
 
 // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
 export const typeEquality = (a: any, b: any): boolean | undefined => {
-  if (a == null || b == null || a.constructor === b.constructor) {
+  // Since Jest globals are different from Node globals,
+  // constructors are different even between arrays when comparing properties of mock objects.
+  // Both of them should be able to compare correctly when they are array-to-array.
+  // https://github.com/facebook/jest/issues/2549
+  const areBothArray =
+    Array.isArray(a) &&
+    Array.isArray(b) &&
+    a.constructor.toString() === b.constructor.toString();
+  if (
+    a == null ||
+    b == null ||
+    a.constructor === b.constructor ||
+    areBothArray
+  ) {
     return undefined;
   }