ci(check): add test step

.github/workflows/check.yml

@@ -10,6 +10,23 @@ on:
     branches: [main]
 
 jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+
+      - name: Setup Rust cache
+        uses: Swatinem/rust-cache@v2
+
+      - name: Test
+        run: cargo test
+
   clippy:
     runs-on: ubuntu-latest
     steps:
@@ -44,4 +61,4 @@ jobs:
         uses: Swatinem/rust-cache@v2
 
       - name: Rustfmt
-        run: cargo fmt --all -- --check
+        run: cargo fmt --all -- --check