test: solana packages test on ci - check connection

.github/workflows/solana-packages-test.yml

@@ -17,15 +17,22 @@ jobs:
           extra_nix_config: "sandbox = false"
 
       - name: Build and test solana-test-validator
+        run: nix run .#solana-test-validator
+
+      - name: Check if validator is running
         run: |
-          nix run .#solana-test-validator &
-          sleep 10
-          if curl --fail http://127.0.0.1:8899; then
-            echo "Validator is running and accessible"
-          else
-            echo "Failed to connect to the validator"
-            exit 1
-          fi
+          for i in {1..10}; do
+            if curl --fail http://127.0.0.1:8899; then
+              echo "Localnet is running and accessible"
+              break
+            else
+              echo "Waiting for the localnet to start..."
+              sleep 3
+            fi
+            if [ $i -eq 30 ]; then
+              echo "Localnet did not start within the expected time."
+              exit 1
+            fi
 
       - name: Build solana-cli-env
         run: nix build .#solana-cli-env --print-out-paths