Test vrf crate in CI

Author: sebastiencs

.github/workflows/ci.yaml

@@ -77,6 +77,29 @@ jobs:
           cd ledger
           cargo test --release -- -Z unstable-options --report-time
 
+  vrf-tests:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Git checkout
+        uses: actions/checkout@v4
+      - name: Setup build dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y protobuf-compiler
+      - name: Setup Rust
+        run: |
+          # Nightly to be able to use `--report-time` below
+          rustup install nightly
+          rustup override set nightly
+      - name: Build vrf tests
+        run: |
+          cd vrf
+          cargo build --release --tests
+      - name: Run vrf tests
+        run: |
+          cd vrf
+          cargo test --release -- -Z unstable-options --report-time
+
   tx-fuzzer-check:
     runs-on: ubuntu-20.04
     steps: