diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
new file mode 100644
index 00000000..7fb8faa2
--- /dev/null
+++ b/.github/workflows/Test.yml
@@ -0,0 +1,32 @@
+name: Test
+
+on: push
+
+jobs:
+  test-std140:
+    name: Test std140
+    runs-on: windows-2022
+    defaults:
+      run:
+        shell: pwsh
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Install python dependencies
+        run: pip install openpyxl numpy pandas matplotlib mako
+      - name: Download modelkit  # Install modelkit
+        run: curl -o modelkit-installer.exe https://share.bigladdersoftware.com/files/modelkit-caboodle-0.9.0-flannel+caboodle.22.a701d43.exe
+      - name: Install modelkit
+        run: .\modelkit-installer.exe /SP- /VERYSILENT /DIR=modelkit-folder | Out-Null
+      - name: Add modelkit to path
+        run: |
+          "${{ github.workspace }}\modelkit-folder\bin" >> $env:GITHUB_PATH
+      - name: Run section-5 test
+        run: modelkit rake sim[section-5]
+      - name: Run weather-drivers test
+        run: modelkit rake sim[weather-drivers]
+      - name: Upload report
+        uses: actions/upload-artifact@v3
+        with:
+          name: reports
+          path: ./reports/
diff --git a/Rakefile b/Rakefile
index fda6f32d..1f554bd7 100644
--- a/Rakefile
+++ b/Rakefile
@@ -20,7 +20,7 @@ def compose(c, tests)
   success = nil
   if !(FileUtils.uptodate?(target, src))
     puts "\ncomposing...\n\n"
-    success = system(%Q|modelkit template-compose -f "#{c}" -o "#{output_dir + '/in.cse'}"  base-#{tests}.pxt|)
+    success = system(%Q| echo base-#{tests}.pxt \| modelkit template-compose -f "#{c}" -o "#{output_dir + '/in.cse'}" |)
   else
     puts "  ...input already up-to-date."
     success = true
@@ -82,17 +82,14 @@ task :sim, [:filter] do |t, args|
   cases = Dir['cases/' + tests + '/*.*']
   for c in cases
     if !compose(c, tests)
-      puts "\nERROR: Composition failed..."
-      exit
+      abort("\nERROR: Composition failed...")
     end
     if !sim(c, tests)
-      puts "\nERROR: Simulation failed..."
-      exit
+      abort("\nERROR: Simulation failed...")
     end
   end
   if !write_report(tests)
-    puts "\nERROR: Failed to generate reports..."
-    exit
+    abort("\nERROR: Failed to generate reports...")
   end
 end