test in separate drone step (redundant stuff tho)

.drone.yml

@@ -39,4 +39,13 @@ steps:
       - cargo build-all-features
       - cargo build --example fullmesh
       - cargo build --example basalt --features "basalt"
+
+  - name: test
+    image: rustlang/rust:nightly
+    environment:
+      CARGO_HOME: /drone/cargo
+    commands:
+      - apt-get update
+      - apt-get install --yes libsodium-dev
+      - cd netapp
       - cargo test --all-features -- --test-threads 1