chore: improve error handling for test command runtime

- modify `cargo test` command to include `rust_backtrace=1`

Author: falcucci

.github/workflows/ci.yml

@@ -128,7 +128,7 @@ jobs:
           fi
 
       - name: cargo test
-        run: cargo test --workspace --locked --all-features
+        run: RUST_BACKTRACE=1 cargo test --workspace --locked --all-features
 
   build:
     name: cargo build