diff --git a/test/cli/harness/nodes.go b/test/cli/harness/nodes.go
index 113289e3c..8a5451e03 100644
--- a/test/cli/harness/nodes.go
+++ b/test/cli/harness/nodes.go
@@ -5,7 +5,6 @@ import (
 
 	. "github.com/ipfs/kubo/test/cli/testutils"
 	"github.com/multiformats/go-multiaddr"
-	"golang.org/x/sync/errgroup"
 )
 
 // Nodes is a collection of Kubo nodes along with operations on groups of nodes.
@@ -17,37 +16,28 @@ func (n Nodes) Init(args ...string) Nodes {
 }
 
 func (n Nodes) ForEachPar(f func(*Node)) {
-	group := &errgroup.Group{}
+	var wg sync.WaitGroup
 	for _, node := range n {
+		wg.Add(1)
 		node := node
-		group.Go(func() error {
+		go func() {
+			defer wg.Done()
 			f(node)
-			return nil
-		})
-	}
-	err := group.Wait()
-	if err != nil {
-		panic(err)
+		}()
 	}
+	wg.Wait()
 }
 
 func (n Nodes) Connect() Nodes {
-	wg := sync.WaitGroup{}
 	for i, node := range n {
 		for j, otherNode := range n {
 			if i == j {
 				continue
 			}
-			node := node
-			otherNode := otherNode
-			wg.Add(1)
-			go func() {
-				defer wg.Done()
-				node.Connect(otherNode)
-			}()
+			// Do not connect in parallel, because that can cause TLS handshake problems on some platforms.
+			node.Connect(otherNode)
 		}
 	}
-	wg.Wait()
 	for _, node := range n {
 		firstPeer := node.Peers()[0]
 		if _, err := firstPeer.ValueForProtocol(multiaddr.P_P2P); err != nil {