added sleep to test server start command

Author: nshntarora

.github/workflows/tests.yml

@@ -21,12 +21,14 @@ jobs:
         uses: actions/setup-go@v4
         with:
           go-version: "1.20"
+          cache-dependency-path: |
+            go.sum
 
       - name: Launch Test Server (todo)
-        run: go run test_api/todo/server.go
+        run: go run test_api/todo/server.go & sleep 5
 
       - name: Launch Cache Server
-        run: go run main.go
+        run: go run main.go & sleep 5
 
       - name: Run Test
         run: go test -v ./...