gha integration tests

Author: Lusitaniae

.github/workflows/tests-grpc.yml

@@ -109,7 +109,7 @@ jobs:
       uses: JarvusInnovations/background-action@v1
       with:
         run: ./bin/faithful-cli rpc --listen ":7999" --grpc-listen ":8999" --watch /tmp/$EPOCH.yml &
-        wait-on: http://localhost:7999/health
+        wait-on: http-get://localhost:7999/health
         wait-for: 5s
 
     - name: Run gRPC tests