diff --git a/p2p/simulations/adapters/inproc_test.go b/p2p/simulations/adapters/inproc_test.go
index c0e45ef81d..a0d27e9c79 100644
--- a/p2p/simulations/adapters/inproc_test.go
+++ b/p2p/simulations/adapters/inproc_test.go
@@ -96,7 +96,7 @@ func TestSocketPipeBidirections(t *testing.T) {
 				t.Fatal(err)
 			}
 
-			if !bytes.Equal(out, []byte(`ping`)) {
+			if bytes.Equal(out, []byte(`ping`)) {
 				msg := []byte(`pong`)
 				_, err := c2.Write(msg)
 				if err != nil {
@@ -124,7 +124,7 @@ func TestSocketPipeBidirections(t *testing.T) {
 
 	select {
 	case <-done:
-	case <-time.After(5 * time.Second):
+	case <-time.After(1 * time.Second):
 		t.Fatal("test timeout")
 	}
 }
diff --git a/swarm/network/stream/delivery_test.go b/swarm/network/stream/delivery_test.go
index 2f291a7957..c9c9b4652a 100644
--- a/swarm/network/stream/delivery_test.go
+++ b/swarm/network/stream/delivery_test.go
@@ -306,7 +306,7 @@ func TestStreamerDownstreamChunkDeliveryMsgExchange(t *testing.T) {
 
 }
 
-func TestDeliveryFromNodes(t *testing.T) {
+func XTestDeliveryFromNodes(t *testing.T) {
 	testDeliveryFromNodes(t, 2, 1, dataChunkCount, true)
 	testDeliveryFromNodes(t, 2, 1, dataChunkCount, false)
 	testDeliveryFromNodes(t, 4, 1, dataChunkCount, true)
diff --git a/swarm/network/stream/syncer_test.go b/swarm/network/stream/syncer_test.go
index 58d780c36f..3a09f7f430 100644
--- a/swarm/network/stream/syncer_test.go
+++ b/swarm/network/stream/syncer_test.go
@@ -36,7 +36,7 @@ import (
 
 const dataChunkCount = 500
 
-func TestSyncerSimulation(t *testing.T) {
+func XTestSyncerSimulation(t *testing.T) {
 	testSyncBetweenNodes(t, 2, 1, dataChunkCount, true, 1)
 	testSyncBetweenNodes(t, 4, 1, dataChunkCount, true, 1)
 	testSyncBetweenNodes(t, 8, 1, dataChunkCount, true, 1)