Update windows CI, add back linux CI

.github/workflows/test.yml

@@ -6,32 +6,35 @@ on:
     - '**.org'
 jobs:
   # Linux ci adapted from https://github.com/purcell/emacs.d
-  # startup_linux:
-  #   runs-on: ubuntu-latest
-  #   continue-on-error: ${{ matrix.experimental }}
-  #   strategy:
-  #     matrix:
-  #       emacs_version:
-  #         - 29.3
-  #       experimental: [false]
-  #       # include:
-  #       #   - emacs_version: snapshot
-  #       #     experimental: true
-  #   steps:
-  #   - uses: purcell/setup-emacs@master
-  #     with:
-  #       version: ${{ matrix.emacs_version }}
-  #   - uses: actions/checkout@v4
-  #   - name: Test directory
-  #     run: pwd
-  #   - name: Check startup
-  #     run: ./test/test_startup.sh
-  # windows CI is experimental
+  startup_linux:
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix:
+        emacs_version:
+          - 29.3
+        experimental: [false]
+        # include:
+        #   - emacs_version: snapshot
+        #     experimental: true
+    steps:
+    - uses: purcell/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs_version }}
+    - uses: actions/checkout@v4
+    - name: Test directory
+      run: pwd
+    - name: Check startup
+      run: ./test/test_startup.sh
+  # windows CI is experimental and uses the Emacs version packaged 
+  # by chocolately: https://community.chocolatey.org/packages/Emacs
   startup_windows:
     runs-on: windows-latest
     steps:
     - name: Install emacs
       run: choco install emacs
+    - name: Check emacs version
+      run: emacs --version
     - uses: actions/checkout@v4
     - name: Check startup
       run: bash ./test/test_startup.sh