Remove DISPLAY env variable from browser unit tests

.github/workflows/nightly.yml

@@ -23,53 +23,53 @@ jobs:
         working-directory: './monaco-editor'
         run: npm ci
 
-      - name: \[vscode\] checkout
+      - name: (vscode) checkout
         uses: actions/checkout@v2
         with:
           repository: 'microsoft/vscode'
           path: './vscode'
 
-      - name: \[vscode\] execute `yarn`
+      - name: (vscode) execute `yarn`
         working-directory: './vscode'
         run: yarn --frozen-lockfile --network-timeout 180000
 
-      - name: \[vscode\] Run Hygiene Checks
+      - name: (vscode) Run Hygiene Checks
         working-directory: './vscode'
         run: yarn gulp hygiene
 
-      - name: \[vscode\] Run Valid Layers Checks
+      - name: (vscode) Run Valid Layers Checks
         working-directory: './vscode'
         run: yarn valid-layers-check
 
-      - name: \[vscode\] Compile /build/
+      - name: (vscode) Compile /build/
         working-directory: './vscode'
         run: yarn --cwd build compile
 
-      - name: \[vscode\] Run eslint
+      - name: (vscode) Run eslint
         working-directory: './vscode'
         run: yarn eslint
 
-      - name: \[vscode\] Run Monaco Editor Checks
+      - name: (vscode) Run Monaco Editor Checks
         working-directory: './vscode'
         run: yarn monaco-compile-check
 
-      - name: \[vscode\] Compile
+      - name: (vscode) Compile
         working-directory: './vscode'
         run: yarn --max_old_space_size=4095 compile
 
-      - name: \[vscode\] Run Unit Tests (Browser)
+      - name: (vscode) Run Unit Tests (Browser)
         working-directory: './vscode'
-        run: DISPLAY=:10 yarn test-browser --browser chromium
+        run: yarn test-browser --browser chromium
 
-      - name: \[vscode\] Editor Distro & ESM Bundle
+      - name: (vscode) Editor Distro & ESM Bundle
         working-directory: './vscode'
         run: yarn gulp editor-esm-bundle
 
-      - name: \[vscode\] Typings validation prep
+      - name: (vscode) Typings validation prep
         working-directory: './vscode'
         run: mkdir typings-test
 
-      - name: \[vscode\] Typings validation
+      - name: (vscode) Typings validation
         working-directory: ./vscode/typings-test
         run: |
           yarn init -yp
@@ -77,19 +77,19 @@ jobs:
           echo "import '../out-monaco-editor-core';" > a.ts
           ../node_modules/.bin/tsc --noEmit
 
-      - name: \[vscode\] Webpack Editor
+      - name: (vscode) Webpack Editor
         working-directory: ./vscode/test/monaco
         run: yarn run bundle
 
-      - name: \[vscode\] Compile Editor Tests
+      - name: (vscode) Compile Editor Tests
         working-directory: ./vscode/test/monaco
         run: yarn run compile
 
-      - name: \[vscode\] Download Playwright
+      - name: (vscode) Download Playwright
         working-directory: ./vscode
         run: yarn playwright-install
 
-      - name: \[vscode\] Run Editor Tests
+      - name: (vscode) Run Editor Tests
         timeout-minutes: 5
         working-directory: ./vscode/test/monaco
         run: yarn test