Set up multi-platform tests.

Author: aebrahim

.github/workflows/compiler.yml

@@ -28,3 +28,39 @@ jobs:
     #   with:
     #     lcov-file: ./packages/vector_graphics_compiler/coverage/lcov.info
     #     github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  test_windows:
+    runs-on: windows-2022
+    defaults:
+      run:
+        working-directory: packages/vector_graphics_compiler
+    steps:
+    - uses: actions/checkout@v4
+    - uses: subosito/flutter-action@v2
+      with:
+        cache: true
+    - run: flutter test
+
+  test_mac_x86:
+    runs-on: macos-13
+    defaults:
+      run:
+        working-directory: packages/vector_graphics_compiler
+    steps:
+    - uses: actions/checkout@v4
+    - uses: subosito/flutter-action@v2
+      with:
+        cache: true
+    - run: flutter test
+
+  test_mac_m1:
+    runs-on: macos-14
+    defaults:
+      run:
+        working-directory: packages/vector_graphics_compiler
+    steps:
+    - uses: actions/checkout@v4
+    - uses: subosito/flutter-action@v2
+      with:
+        cache: true
+    - run: flutter test