Simplify / optimize unit tests wf run

.github/workflows/local-tests.yml

@@ -13,13 +13,9 @@ jobs:
       image: rust:1.78.0
     steps:
     - uses: actions/[email protected]
-    - name: Set up Rust environment
-      run: rustup component add rustfmt clippy
-    - name: Build Babylon contracts
-      run: cargo build
-    - name: Test generating schema
+    - name: Build contracts, check formats, and run unit tests
+      run: cargo test --lib
+    - name: Generate schemas
       run: |-
         (cd ./contracts/babylon && cargo run --bin schema)
         (cd ./contracts/btc-staking && cargo run --bin btcstaking-schema)
-    - name: Check formats and run unit tests
-      run: cargo test --lib