move package test/ => integration/

integration/util_test.go

@@ -0,0 +1,28 @@
+package integration_test
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/ethereum/go-ethereum/ethclient"
+)
+
+func waitForBlock(ctx context.Context, client *ethclient.Client, target int64) error {
+	timeout := 10 * time.Second
+	for {
+		select {
+		case <-time.After(timeout):
+			return errors.New("timed out")
+		default:
+			latest, err := client.BlockNumber(ctx)
+			if err != nil {
+				return err
+			}
+			if uint64(target) <= latest {
+				return nil
+			}
+		}
+	}
+
+}