expect: Improve report when mock-spy matcher fails, part 1 (jestjs#8640)

* expect: Improve report when mock-spy matcher fails, part 1 * Update CHANGELOG.md
gold356 · Jul 4, 2019 · b64d35d · b64d35d
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - `[expect]` Highlight substring differences when matcher fails, part 1 ([#8448](https://github.com/facebook/jest/pull/8448))
 - `[expect]` Highlight substring differences when matcher fails, part 2 ([#8528](https://github.com/facebook/jest/pull/8528))
+- `[expect]` Improve report when mock-spy matcher fails, part 1 ([#8640](https://github.com/facebook/jest/pull/8640))
 - `[jest-snapshot]` Highlight substring differences when matcher fails, part 3 ([#8569](https://github.com/facebook/jest/pull/8569))
 - `[jest-cli]` Improve chai support (with detailed output, to match jest exceptions) ([#8454](https://github.com/facebook/jest/pull/8454))
 - `[*]` Manage the global timeout with `--testTimeout` command line argument. ([#8456](https://github.com/facebook/jest/pull/8456))