diff --git a/.github/workflows/e2e-pte.yml b/.github/workflows/e2e-pte.yml
new file mode 100644
index 00000000000..c2611de8fe4
--- /dev/null
+++ b/.github/workflows/e2e-pte.yml
@@ -0,0 +1,63 @@
+name: End-to-End PTE collaboration tests
+on:
+  # Build on pushes branches that have a PR (including drafts)
+  pull_request:
+  # Build on commits pushed to branches without a PR if it's in the allowlist
+  push:
+    branches: [next]
+jobs:
+  playwright-test:
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    env:
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ vars.TURBO_TEAM }}
+    strategy:
+      fail-fast: false
+      matrix:
+        project: [chromium]
+        # Add more shards here if needed
+        shardIndex: [1, 2]
+        shardTotal: [2]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      - name: Cache node modules
+        id: cache-node-modules
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-modules-${{ env.cache-name }}-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-modules-${{ env.cache-name }}-
+            ${{ runner.os }}-modules-
+            ${{ runner.os }}-
+
+      - name: Install project dependencies
+        if: steps.cache-node-modules.outputs.cache-hit != 'true'
+        run: yarn install --frozen-lockfile
+
+      - name: Store Playwright's Version
+        run: |
+          PLAYWRIGHT_VERSION=$(npx playwright --version | sed 's/Version //')
+          echo "Playwright's Version: $PLAYWRIGHT_VERSION"
+          echo "PLAYWRIGHT_VERSION=$PLAYWRIGHT_VERSION" >> $GITHUB_ENV
+
+      - name: Cache Playwright Browsers for Playwright's Version
+        id: cache-playwright-browsers
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/ms-playwright
+          key: playwright-browsers-${{ env.PLAYWRIGHT_VERSION }}
+
+      - name: Install Playwright Browsers
+        if: steps.cache-playwright-browsers.outputs.cache-hit != 'true'
+        run: npx playwright install --with-deps
+
+      - name: Run end-to-end tests
+        run: cd packages/@sanity/portable-text-editor && yarn test:e2e --silent --shard=${{ matrix.shardIndex}}/${{ matrix.shardTotal }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 990aa2ef775..1c38fc89293 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -63,27 +63,6 @@ jobs:
             ${{ runner.os }}-build-
             ${{ runner.os }}-
 
-      - name: Install project dependencies
-        if: steps.cache-node-modules.outputs.cache-hit != 'true'
-        run: yarn install --frozen-lockfile
-
-      - name: Store Playwright's Version
-        run: |
-          PLAYWRIGHT_VERSION=$(npx playwright --version | sed 's/Version //')
-          echo "Playwright's Version: $PLAYWRIGHT_VERSION"
-          echo "PLAYWRIGHT_VERSION=$PLAYWRIGHT_VERSION" >> $GITHUB_ENV
-
-      - name: Cache Playwright Browsers for Playwright's Version
-        id: cache-playwright-browsers
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/ms-playwright
-          key: playwright-browsers-${{ env.PLAYWRIGHT_VERSION }}
-
-      - name: Install Playwright Browsers
-        if: steps.cache-playwright-browsers.outputs.cache-hit != 'true'
-        run: npx playwright install --with-deps
-
       - name: Build CLI
         run: yarn build:cli # Needed for CLI tests
 
@@ -140,29 +119,12 @@ jobs:
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
         run: yarn install --frozen-lockfile
 
-      - name: Store Playwright's Version
-        run: |
-          PLAYWRIGHT_VERSION=$(npx playwright --version | sed 's/Version //')
-          echo "Playwright's Version: $PLAYWRIGHT_VERSION"
-          echo "PLAYWRIGHT_VERSION=$PLAYWRIGHT_VERSION" >> $GITHUB_ENV
-
-      - name: Cache Playwright Browsers for Playwright's Version
-        id: cache-playwright-browsers
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/ms-playwright
-          key: playwright-browsers-${{ env.PLAYWRIGHT_VERSION }}
-
-      - name: Install Playwright Browsers
-        if: steps.cache-playwright-browsers.outputs.cache-hit != 'true'
-        run: npx playwright install --with-deps
-
       - name: Test
         id: test
         run: |
           node -v
           npm -v
-          yarn test --silent --shard=${{ matrix.shardIndex}}/${{ matrix.shardTotal }}
+          yarn test --silent --shard=${{ matrix.shardIndex}}/${{ matrix.shardTotal }} --testSequencer=../../../shardSequencer.cjs
         env:
           SANITY_CI_CLI_AUTH_TOKEN: ${{ secrets.SANITY_CI_CLI_AUTH_TOKEN }}
           GITHUB_SHARD_IDENTIFIER: ${{ matrix.shardIndex }}-${{ matrix.shardTotal }}
diff --git a/package.json b/package.json
index 21bae3b54c0..0d5bf821861 100644
--- a/package.json
+++ b/package.json
@@ -91,6 +91,7 @@
     "@babel/preset-react": "^7.22.15",
     "@babel/preset-typescript": "^7.23.0",
     "@bjoerge/mutiny": "^0.0.2",
+    "@jest/test-sequencer": "^29.7.0",
     "@optimize-lodash/rollup-plugin": "^4.0.4",
     "@playwright/test": "^1.38.1",
     "@sanity/client": "^6.7.0",
diff --git a/packages/@sanity/portable-text-editor/test/__tests__/.eslintrc b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/.eslintrc
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/__tests__/.eslintrc
rename to packages/@sanity/portable-text-editor/e2e-tests/__tests__/.eslintrc
diff --git a/packages/@sanity/portable-text-editor/test/__tests__/pasting.collaborative.test.ts b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/pasting.collaborative.test.ts
similarity index 99%
rename from packages/@sanity/portable-text-editor/test/__tests__/pasting.collaborative.test.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/__tests__/pasting.collaborative.test.ts
index 75abba26133..c207bfce3f7 100644
--- a/packages/@sanity/portable-text-editor/test/__tests__/pasting.collaborative.test.ts
+++ b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/pasting.collaborative.test.ts
@@ -1,4 +1,4 @@
-/** @jest-environment ./test/setup/collaborative.jest.env.ts */
+/** @jest-environment ./setup/collaborative.jest.env.ts */
 import os from 'os'
 import '../setup/globals.jest'
 import {noop} from 'lodash'
diff --git a/packages/@sanity/portable-text-editor/test/__tests__/selectionAdjustment.collaborative.test.ts b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/selectionAdjustment.collaborative.test.ts
similarity index 99%
rename from packages/@sanity/portable-text-editor/test/__tests__/selectionAdjustment.collaborative.test.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/__tests__/selectionAdjustment.collaborative.test.ts
index e2bdd77f6b0..f60ab3d1c06 100644
--- a/packages/@sanity/portable-text-editor/test/__tests__/selectionAdjustment.collaborative.test.ts
+++ b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/selectionAdjustment.collaborative.test.ts
@@ -1,4 +1,4 @@
-/** @jest-environment ./test/setup/collaborative.jest.env.ts */
+/** @jest-environment ./setup/collaborative.jest.env.ts */
 
 import '../setup/globals.jest'
 
diff --git a/packages/@sanity/portable-text-editor/test/__tests__/undoRedo.collborative.test.ts b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/undoRedo.collborative.test.ts
similarity index 99%
rename from packages/@sanity/portable-text-editor/test/__tests__/undoRedo.collborative.test.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/__tests__/undoRedo.collborative.test.ts
index ef5a07010b3..725c06eb631 100644
--- a/packages/@sanity/portable-text-editor/test/__tests__/undoRedo.collborative.test.ts
+++ b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/undoRedo.collborative.test.ts
@@ -1,4 +1,4 @@
-/** @jest-environment ./test/setup/collaborative.jest.env.ts */
+/** @jest-environment ./setup/collaborative.jest.env.ts */
 import {toPlainText} from '@portabletext/toolkit'
 import '../setup/globals.jest'
 import type {PortableTextBlock} from '@sanity/types'
diff --git a/packages/@sanity/portable-text-editor/test/__tests__/writingTogether.collaborative.test.ts b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/writingTogether.collaborative.test.ts
similarity index 99%
rename from packages/@sanity/portable-text-editor/test/__tests__/writingTogether.collaborative.test.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/__tests__/writingTogether.collaborative.test.ts
index 18a3a163c14..505dd69c36d 100644
--- a/packages/@sanity/portable-text-editor/test/__tests__/writingTogether.collaborative.test.ts
+++ b/packages/@sanity/portable-text-editor/e2e-tests/__tests__/writingTogether.collaborative.test.ts
@@ -1,4 +1,4 @@
-/** @jest-environment ./test/setup/collaborative.jest.env.ts */
+/** @jest-environment ./setup/collaborative.jest.env.ts */
 
 import '../setup/globals.jest'
 import type {PortableTextBlock} from '@sanity/types'
diff --git a/packages/@sanity/portable-text-editor/e2e-tests/e2e.config.cjs b/packages/@sanity/portable-text-editor/e2e-tests/e2e.config.cjs
new file mode 100644
index 00000000000..aea2aa4af79
--- /dev/null
+++ b/packages/@sanity/portable-text-editor/e2e-tests/e2e.config.cjs
@@ -0,0 +1,13 @@
+'use strict'
+
+const {createJestConfig} = require('../../../../test/config.cjs')
+
+// eslint-disable-next-line no-console
+console.info('Running collaborate editing tests for the Portable Text Editor')
+
+module.exports = createJestConfig({
+  displayName: require('../package.json').name,
+  globalSetup: './setup/globalSetup.ts',
+  globalTeardown: './setup/globalTeardown.ts',
+  setupFilesAfterEnv: ['./setup/afterEnv.ts'],
+})
diff --git a/packages/@sanity/portable-text-editor/test/schema.ts b/packages/@sanity/portable-text-editor/e2e-tests/schema.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/schema.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/schema.ts
diff --git a/packages/@sanity/portable-text-editor/test/serve.ts b/packages/@sanity/portable-text-editor/e2e-tests/serve.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/serve.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/serve.ts
diff --git a/packages/@sanity/portable-text-editor/test/setup/afterEnv.ts b/packages/@sanity/portable-text-editor/e2e-tests/setup/afterEnv.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/setup/afterEnv.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/setup/afterEnv.ts
diff --git a/packages/@sanity/portable-text-editor/test/setup/collaborative.jest.env.ts b/packages/@sanity/portable-text-editor/e2e-tests/setup/collaborative.jest.env.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/setup/collaborative.jest.env.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/setup/collaborative.jest.env.ts
diff --git a/packages/@sanity/portable-text-editor/test/setup/globalSetup.ts b/packages/@sanity/portable-text-editor/e2e-tests/setup/globalSetup.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/setup/globalSetup.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/setup/globalSetup.ts
diff --git a/packages/@sanity/portable-text-editor/test/setup/globalTeardown.ts b/packages/@sanity/portable-text-editor/e2e-tests/setup/globalTeardown.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/setup/globalTeardown.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/setup/globalTeardown.ts
diff --git a/packages/@sanity/portable-text-editor/test/setup/globals.jest.ts b/packages/@sanity/portable-text-editor/e2e-tests/setup/globals.jest.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/setup/globals.jest.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/setup/globals.jest.ts
diff --git a/packages/@sanity/portable-text-editor/test/tsconfig.json b/packages/@sanity/portable-text-editor/e2e-tests/tsconfig.json
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/tsconfig.json
rename to packages/@sanity/portable-text-editor/e2e-tests/tsconfig.json
diff --git a/packages/@sanity/portable-text-editor/test/web-server/app.tsx b/packages/@sanity/portable-text-editor/e2e-tests/web-server/app.tsx
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/app.tsx
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/app.tsx
diff --git a/packages/@sanity/portable-text-editor/test/web-server/components/Editor.tsx b/packages/@sanity/portable-text-editor/e2e-tests/web-server/components/Editor.tsx
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/components/Editor.tsx
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/components/Editor.tsx
diff --git a/packages/@sanity/portable-text-editor/test/web-server/components/Value.tsx b/packages/@sanity/portable-text-editor/e2e-tests/web-server/components/Value.tsx
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/components/Value.tsx
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/components/Value.tsx
diff --git a/packages/@sanity/portable-text-editor/test/web-server/entry.tsx b/packages/@sanity/portable-text-editor/e2e-tests/web-server/entry.tsx
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/entry.tsx
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/entry.tsx
diff --git a/packages/@sanity/portable-text-editor/test/web-server/index.html b/packages/@sanity/portable-text-editor/e2e-tests/web-server/index.html
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/index.html
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/index.html
diff --git a/packages/@sanity/portable-text-editor/test/web-server/keyGenerator.ts b/packages/@sanity/portable-text-editor/e2e-tests/web-server/keyGenerator.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/keyGenerator.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/keyGenerator.ts
diff --git a/packages/@sanity/portable-text-editor/test/web-server/vite.config.js b/packages/@sanity/portable-text-editor/e2e-tests/web-server/vite.config.js
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/web-server/vite.config.js
rename to packages/@sanity/portable-text-editor/e2e-tests/web-server/vite.config.js
diff --git a/packages/@sanity/portable-text-editor/test/ws-server/index.ts b/packages/@sanity/portable-text-editor/e2e-tests/ws-server/index.ts
similarity index 100%
rename from packages/@sanity/portable-text-editor/test/ws-server/index.ts
rename to packages/@sanity/portable-text-editor/e2e-tests/ws-server/index.ts
diff --git a/packages/@sanity/portable-text-editor/jest.config.cjs b/packages/@sanity/portable-text-editor/jest.config.cjs
index 7f8d54348cc..eadf800d82a 100644
--- a/packages/@sanity/portable-text-editor/jest.config.cjs
+++ b/packages/@sanity/portable-text-editor/jest.config.cjs
@@ -4,7 +4,5 @@ const {createJestConfig} = require('../../../test/config.cjs')
 
 module.exports = createJestConfig({
   displayName: require('./package.json').name,
-  globalSetup: '<rootDir>/test/setup/globalSetup.ts',
-  globalTeardown: '<rootDir>/test/setup/globalTeardown.ts',
-  setupFilesAfterEnv: ['<rootDir>/test/setup/afterEnv.ts'],
+  modulePathIgnorePatterns: ['<rootDir>/e2e-tests'],
 })
diff --git a/packages/@sanity/portable-text-editor/package.json b/packages/@sanity/portable-text-editor/package.json
index 661780fd35f..15275672e27 100644
--- a/packages/@sanity/portable-text-editor/package.json
+++ b/packages/@sanity/portable-text-editor/package.json
@@ -59,6 +59,7 @@
     "prettier": "prettier --write './**/*.{ts,tsx,js,css,html}'",
     "dev": "cd ./test/ && ts-node serve",
     "test": "jest",
+    "test:e2e": "cd e2e-tests && jest --config=e2e.config.cjs",
     "test:watch": "jest --watch",
     "watch": "pkg-utils watch --tsconfig tsconfig.lib.json"
   },
diff --git a/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx b/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
index 3ced445d860..a2d0c3b0f1a 100644
--- a/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
+++ b/packages/@sanity/portable-text-editor/src/editor/components/Synchronizer.tsx
@@ -28,7 +28,7 @@ const debugVerbose = debug.enabled && false
 
 // The editor will commit changes in a throttled fashion in order
 // not to overload the network and degrade performance while typing.
-const FLUSH_PATCHES_THROTTLED_MS = process.env.NODE_ENV === 'test' ? 100 : 1000
+const FLUSH_PATCHES_THROTTLED_MS = process.env.NODE_ENV === 'test' ? 500 : 1000
 
 /**
  * @internal
diff --git a/shardSequencer.cjs b/shardSequencer.cjs
new file mode 100644
index 00000000000..c56152b98bb
--- /dev/null
+++ b/shardSequencer.cjs
@@ -0,0 +1,9 @@
+'use strict'
+
+const Sequencer = require('@jest/test-sequencer').default
+
+module.exports = class JestShardSequencer extends Sequencer {
+  shard(tests) {
+    return tests.filter((test) => !test.path.includes('e2e'))
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index 18464094fba..932530882e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -15999,6 +15999,11 @@ yargs@^17.3.0, yargs@^17.3.1:
     y18n "^5.0.5"
     yargs-parser "^21.1.1"
 
+yarn@^1.22.19:
+  version "1.22.19"
+  resolved "https://registry.npmjs.org/yarn/-/yarn-1.22.19.tgz#4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447"
+  integrity sha512-/0V5q0WbslqnwP91tirOvldvYISzaqhClxzyUKXYxs07yUILIs5jx/k6CFe8bvKSkds5w+eiOqta39Wk3WxdcQ==
+
 yauzl@^2.4.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"