WordPress · diegohaz · Dec 2, 2019 · Dec 2, 2019 · Dec 2, 2019 · Dec 2, 2019
diff --git a/bin/update-readmes.js b/bin/update-readmes.js
@@ -35,6 +35,7 @@ const packages = [
 	'redux-routine',
 	'rich-text',
 	'shortcode',
+	'test-utils',
 	'url',
 	'viewport',
 	'wordcount',

diff --git a/docs/manifest-devhub.json b/docs/manifest-devhub.json
@@ -1427,6 +1427,12 @@
 		"markdown_source": "../packages/shortcode/README.md",
 		"parent": "packages"
 	},
+	{
+		"title": "@wordpress/test-utils",
+		"slug": "packages-test-utils",
+		"markdown_source": "../packages/test-utils/README.md",
+		"parent": "packages"
+	},
 	{
 		"title": "@wordpress/token-list",
 		"slug": "packages-token-list",

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -98,6 +98,7 @@
 		"@wordpress/npm-package-json-lint-config": "file:packages/npm-package-json-lint-config",
 		"@wordpress/postcss-themes": "file:packages/postcss-themes",
 		"@wordpress/scripts": "file:packages/scripts",
+		"@wordpress/test-utils": "file:packages/test-utils",
 		"babel-loader": "8.0.6",
 		"babel-plugin-emotion": "10.0.23",
 		"babel-plugin-inline-json-import": "0.3.2",

diff --git a/packages/jest-preset-default/CHANGELOG.md b/packages/jest-preset-default/CHANGELOG.md
@@ -1,3 +1,9 @@
+## master
+
+### New Features
+
+- Add `@wordpress/test-utils/extend-expect` to Jest setup ([18855](https://github.com/WordPress/gutenberg/pull/18855)).
+
 ## 5.1.0 (2019-09-03)
 
 ### Bug Fixes

diff --git a/packages/jest-preset-default/jest-preset.json b/packages/jest-preset-default/jest-preset.json
@@ -9,7 +9,8 @@
 		"<rootDir>/node_modules/@wordpress/jest-preset-default/scripts/setup-globals.js"
 	],
 	"setupFilesAfterEnv": [
-		"<rootDir>/node_modules/@wordpress/jest-preset-default/scripts/setup-test-framework.js"
+		"<rootDir>/node_modules/@wordpress/jest-preset-default/scripts/setup-test-framework.js",
+		"<rootDir>/node_modules/@wordpress/test-utils/extend-expect"
 	],
 	"snapshotSerializers": [
 		"<rootDir>/node_modules/enzyme-to-json/serializer.js"

diff --git a/packages/jest-preset-default/package.json b/packages/jest-preset-default/package.json
@@ -32,6 +32,7 @@
 	"main": "index.js",
 	"dependencies": {
 		"@wordpress/jest-console": "file:../jest-console",
+		"@wordpress/test-utils": "file:../test-utils",
 		"babel-jest": "^24.7.1",
 		"enzyme": "^3.9.0",
 		"enzyme-adapter-react-16": "^1.10.0",

diff --git a/packages/test-utils/.npmrc b/packages/test-utils/.npmrc
@@ -0,0 +1 @@
+package-lock=false
diff --git a/packages/test-utils/CHANGELOG.md b/packages/test-utils/CHANGELOG.md
@@ -0,0 +1 @@
+## master