.github/workflows/test.yaml in lrama-0.6.0 vs .github/workflows/test.yaml in lrama-0.6.1

@@ -6,16 +6,23 @@
 
 permissions:
   contents: read
 
 jobs:
+  ruby-versions:
+    uses: ruby/actions/.github/workflows/ruby_versions.yml@master
+    with:
+      engine: cruby
+      min_version: 2.5
+
   test:
+    needs: ruby-versions
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['head', '3.3', '3.2', '3.1', '3.0', '2.7', '2.6', '2.5']
+        ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
@@ -27,18 +34,26 @@
     runs-on: windows-2022
     strategy:
       fail-fast: false
       matrix:
         ruby: ['head']
+    defaults:
+      run:
+        shell: msys2 {0}
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-      - run: choco install winflexbison || choco install winflexbison
-      - run: win_flex --help
+      - uses: msys2/setup-msys2@v2
+        id: setup-msys2
+        with:
+          update: true
+          install: >-
+            flex
+      - run: flex --help
       - run: bundle install
       - run: bundle exec rspec
   test-memory:
     runs-on: ubuntu-20.04
     strategy:
@@ -116,15 +131,15 @@
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.baseruby }}
           bundler-cache: true
       - run: git clone --depth=1 https://github.com/ruby/ruby.git -b ${{ matrix.ruby_branch }} ../ruby
-        working-directory:
+        working-directory: .
       - run: mkdir -p tool/lrama
         working-directory: ../ruby
       - name: Copy Lrama to ruby/tool
         run: cp -r LEGAL.md NEWS.md MIT exe lib template ../ruby/tool/lrama
-        working-directory:
+        working-directory: .
       - run: tree tool/lrama
         working-directory: ../ruby
       # See also https://github.com/ruby/ruby/blob/master/.github/workflows/ubuntu.yml
       - run: mkdir build
         working-directory: ../ruby