Update rust.yml

Author: feldroop

.github/workflows/rust.yml

@@ -21,6 +21,8 @@ jobs:
     - uses: actions/checkout@v4
       with:
         submodules: recursive
+    - name: Test libsais-sys
+      run: cargo test --verbose -p libsais-sys
     - name: Test
       run: cargo test --verbose --no-default-features
     - name: Test no OpenMP