Array snapshots not serialized correctly when used with property matchers

[jimmydief]

🐛 Bug Report

To Reproduce

Steps to reproduce the behavior: Clone https://github.com/jimmydief/jest-array-snapshot-issue and run npm test.

Expected behavior

The snapshot should look like this:

Array [
   Object {
     "name": "One",
   },
   Object {
     "name": "Two",
   },
   Object {
     "name": "Three",
   },
]

Instead, it looks like this:

Object {
   "0": Object {
     "name": "One",
   },
   "1": Object {
     "name": "Two",
   },
   "2": Object {
     "name": "Three",
   },
}

Link to repl or repo (highly encouraged)

https://github.com/jimmydief/jest-array-snapshot-issue

envinfo

node 12.16.0
jest 26.1.0

Seems like the fix is in jest-snapshot's deepMerge method, will put up a PR shortly.

[SimenB]

https://github.com/facebook/jest/releases/tag/v26.4.1

[github-actions]

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