ci: use sharding for test-runner (#2967)

* ci: use sharding for test-runner

* ci: use 4 shards

.github/workflows/on_pull_request.yml

@@ -303,6 +303,9 @@ jobs:
     name: Storybook test runner
     needs: build
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        shard: [1/4, 2/4, 3/4, 4/4]
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v3
@@ -360,7 +363,7 @@ jobs:
         run: npx playwright install --with-deps
 
       - name: Run Storybook test runner
-        run: yarn start:test:storybook
+        run: yarn start-server-and-test 'NODE_ENV=test yarn start:storybook' http://localhost:9001 'yarn test:storybook --shard=${{ matrix.shard }}'
 
   prettier:
     name: Prettier checks

package.json

@@ -136,7 +136,7 @@
     "@storybook/cli": "7.0.0-beta.45",
     "@storybook/react": "7.0.0-beta.45",
     "@storybook/react-vite": "7.0.0-beta.45",
-    "@storybook/test-runner": "0.9.1",
+    "@storybook/test-runner": "0.9.3",
     "@storybook/testing-library": "0.0.13",
     "@swc/core": "^1.2.160",
     "@swc/jest": "^0.2.20",

yarn.lock

@@ -9892,9 +9892,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@storybook/test-runner@npm:0.9.1":
-  version: 0.9.1
-  resolution: "@storybook/test-runner@npm:0.9.1"
+"@storybook/test-runner@npm:0.9.3":
+  version: 0.9.3
+  resolution: "@storybook/test-runner@npm:0.9.3"
   dependencies:
     "@babel/core": ^7.18.13
     "@babel/generator": ^7.18.13
@@ -9927,7 +9927,7 @@ __metadata:
     ts-dedent: ^2.0.0
   bin:
     test-storybook: bin/test-storybook.js
-  checksum: de2bf0866adb2fff854f6dfcd7e3904b14326bc8c3f0f137eaa20ad76bc15365443f949cd4299918c34177de4cadb002ffc8825f0dccd669bb95722085c9f645
+  checksum: 665dfddd8b18005b9b0203115e35585410fbbcbcccd9ff220e18914e1131c88898216b468a4ed5d956ceefe2ca1a38d88d22b10b445be0dedb89a19c5f539bca
   languageName: node
   linkType: hard
 
@@ -37416,7 +37416,7 @@ fsevents@^1.2.7:
     "@storybook/cli": 7.0.0-beta.45
     "@storybook/react": 7.0.0-beta.45
     "@storybook/react-vite": 7.0.0-beta.45
-    "@storybook/test-runner": 0.9.1
+    "@storybook/test-runner": 0.9.3
     "@storybook/testing-library": 0.0.13
     "@swc/core": ^1.2.160
     "@swc/jest": ^0.2.20