ci: Add WASM to Flutter test matrix (#1097)

Author: Copilot

.github/workflows/ci.yml

@@ -97,6 +97,11 @@ jobs:
           - name: Flutter beta
             os: ubuntu-latest
             sdk: beta
+          # WASM support
+          - name: Flutter 3.38, Ubuntu, WASM
+            os: ubuntu-latest
+            sdk: 3.38.1
+            wasm: true
       fail-fast: false
     name: Test ${{ matrix.name }}
     steps:
@@ -125,18 +130,22 @@ jobs:
       - name: Publish dry run
         run: cd packages/flutter && dart pub publish --dry-run
       - name: Run tests
+        if: ${{ !matrix.wasm }}
         run: (cd packages/flutter && flutter test --coverage)
+      - name: Run tests (WASM)
+        if: ${{ matrix.wasm }}
+        run: (cd packages/flutter && flutter test --platform chrome --wasm)
       - name: Convert code coverage
         # Needs to be adapted to collect the coverage at all platforms if platform specific code is added.
-        if: ${{ always() && matrix.os == 'ubuntu-latest' }}
+        if: ${{ always() && matrix.os == 'ubuntu-latest' && !matrix.wasm }}
         working-directory: packages/flutter
         run: |
           escapedPath="$(echo `pwd` | sed 's/\//\\\//g')"
           sed "s/^SF:lib/SF:$escapedPath\/lib/g" coverage/lcov.info > coverage/lcov-full.info
       - name: Upload code coverage
         uses: codecov/codecov-action@v5
         # Needs to be adapted to collect the coverage at all platforms if platform specific code is added.
-        if: ${{ always() && matrix.os == 'ubuntu-latest' }}
+        if: ${{ always() && matrix.os == 'ubuntu-latest' && !matrix.wasm }}
         with:
           files: packages/flutter/coverage/lcov-full.info
           fail_ci_if_error: false