diff --git a/.github/workflows/basic.yml b/.github/workflows/basic.yml
new file mode 100644
index 00000000000..270e9523938
--- /dev/null
+++ b/.github/workflows/basic.yml
@@ -0,0 +1,142 @@
+name: Basic checks
+
+on:
+  # push:
+  #   branches:
+  #     - main
+  #     - release/*
+  pull_request:
+    branches:
+      - main
+      - release/*
+
+jobs:
+  main:
+    name: Compilation, Unit and Integration Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 40
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v3
+
+      # TODO: rename azure-pipelines/linux/xvfb.init to github-actions
+      - name: Setup Build Environment
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxkbfile-dev pkg-config libsecret-1-dev libxss1 dbus xvfb libgtk-3-0 libgbm1
+          sudo cp build/azure-pipelines/linux/xvfb.init /etc/init.d/xvfb
+          sudo chmod +x /etc/init.d/xvfb
+          sudo update-rc.d xvfb defaults
+          sudo service xvfb start
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Compute node modules cache key
+        id: nodeModulesCacheKey
+        run: echo "::set-output name=value::$(node build/azure-pipelines/common/computeNodeModulesCacheKey.js)"
+      - name: Cache node modules
+        id: cacheNodeModules
+        uses: actions/cache@v3
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-cacheNodeModules21-${{ steps.nodeModulesCacheKey.outputs.value }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules21-
+      - name: Get yarn cache directory path
+        id: yarnCacheDirPath
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - name: Cache yarn directory
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.yarnCacheDirPath.outputs.dir }}
+          key: ${{ runner.os }}-yarnCacheDir-${{ steps.nodeModulesCacheKey.outputs.value }}
+          restore-keys: ${{ runner.os }}-yarnCacheDir-
+      - name: Execute yarn
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+          ELECTRON_SKIP_BINARY_DOWNLOAD: 1
+        run: yarn --frozen-lockfile --network-timeout 180000
+
+      - name: Compile and Download
+        run: yarn npm-run-all --max_old_space_size=4095 -lp compile "electron x64" playwright-install download-builtin-extensions
+
+      - name: Compile Integration Tests
+        run: yarn --cwd test/integration/browser compile
+
+      - name: Run Unit Tests
+        id: electron-unit-tests
+        run: DISPLAY=:10 ./scripts/test.sh
+
+      - name: Run Integration Tests (Electron)
+        id: electron-integration-tests
+        run: DISPLAY=:10 ./scripts/test-integration.sh
+
+  hygiene:
+    name: Hygiene and Layering
+    runs-on: ubuntu-latest
+    timeout-minutes: 40
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Compute node modules cache key
+        id: nodeModulesCacheKey
+        run: echo "::set-output name=value::$(node build/azure-pipelines/common/computeNodeModulesCacheKey.js)"
+      - name: Cache node modules
+        id: cacheNodeModules
+        uses: actions/cache@v3
+        with:
+          path: "**/node_modules"
+          key: ${{ runner.os }}-cacheNodeModules21-${{ steps.nodeModulesCacheKey.outputs.value }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules21-
+      - name: Get yarn cache directory path
+        id: yarnCacheDirPath
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - name: Cache yarn directory
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.yarnCacheDirPath.outputs.dir }}
+          key: ${{ runner.os }}-yarnCacheDir-${{ steps.nodeModulesCacheKey.outputs.value }}
+          restore-keys: ${{ runner.os }}-yarnCacheDir-
+      - name: Execute yarn
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' }}
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+          ELECTRON_SKIP_BINARY_DOWNLOAD: 1
+        run: yarn --frozen-lockfile --network-timeout 180000
+
+      - name: Download Playwright
+        run: yarn playwright-install
+
+      - name: Run Hygiene Checks
+        run: yarn gulp hygiene
+
+      - name: Run Valid Layers Checks
+        run: yarn valid-layers-check
+
+      - name: Compile /build/
+        run: yarn --cwd build compile
+
+      - name: Check clean git state
+        run: ./.github/workflows/check-clean-git-state.sh
+
+      - name: Run eslint
+        run: yarn eslint
+
+      - name: Run vscode-dts Compile Checks
+        run: yarn vscode-dts-compile-check
+
+      - name: Run Trusted Types Checks
+        run: yarn tsec-compile-check
diff --git a/src/vs/editor/contrib/documentSymbols/test/browser/outlineModel.test.ts b/src/vs/editor/contrib/documentSymbols/test/browser/outlineModel.test.ts
index d801c2c7722..096713ed3b0 100644
--- a/src/vs/editor/contrib/documentSymbols/test/browser/outlineModel.test.ts
+++ b/src/vs/editor/contrib/documentSymbols/test/browser/outlineModel.test.ts
@@ -77,9 +77,9 @@ suite('OutlineModel', function () {
 		});
 
 		assert.strictEqual(isCancelled, false);
-		let s1 = new CancellationTokenSource();
+		const s1 = new CancellationTokenSource();
 		service.getOrCreate(model, s1.token);
-		let s2 = new CancellationTokenSource();
+		const s2 = new CancellationTokenSource();
 		service.getOrCreate(model, s2.token);
 
 		s1.cancel();