statesync: increase chunk priority and robustness (#6582)

test/e2e/runner/load.go

@@ -81,7 +81,7 @@ func loadGenerate(ctx context.Context, chTx chan<- types.Tx, multiplier int) {
 
 		select {
 		case chTx <- tx:
-			time.Sleep(time.Duration(100/multiplier) * time.Millisecond)
+			time.Sleep(time.Second / time.Duration(multiplier))
 
 		case <-ctx.Done():
 			close(chTx)

test/e2e/runner/rpc.go

@@ -84,7 +84,7 @@ func waitForNode(node *e2e.Node, height int64, timeout time.Duration) (*rpctypes
 			return status, nil
 		}
 
-		time.Sleep(200 * time.Millisecond)
+		time.Sleep(300 * time.Millisecond)
 	}
 }