test: ✅ run tests from all sub-crates

.github/workflows/testing.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Run clippy lint
         run: cargo clippy --all-targets --all-features
       - name: Run tests
-        run: cargo test --verbose
+        run: cargo hack test --each-feature --workspace --all-targets --verbose
       - name: Build Debian package
         run: cargo xtask dist deb && dpkg-deb -c target/debian/*.deb
       - uses: actions/upload-artifact@v4