build-and-test CI workflow

Author: J-MR-T

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build:
+  build-and-test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -21,7 +21,16 @@ jobs:
       - name: Install Rust
         run: rustup update stable --no-self-update && rustup default stable
 
-      - run: cargo build
+      - name: Build
+        run: cargo build
+
+      - name: Codegen Tests
+        run: cargo run test \
+          --languages kotlin \
+          --artifacts target/artifacts \
+          --rust-wit-bindgen-path ./crates/guest-rust \
+          tests/codegen
+
 
   notify-downstream:
     needs: build