diff --git a/core/types/hashing_test.go b/core/types/hashing_test.go
index a6949414f3..c846ecd0c5 100644
--- a/core/types/hashing_test.go
+++ b/core/types/hashing_test.go
@@ -111,7 +111,7 @@ func TestFuzzDeriveSha(t *testing.T) {
 		exp := types.DeriveSha(newDummy(i), trie.NewEmpty(triedb.NewDatabase(rawdb.NewMemoryDatabase(), nil)))
 		got := types.DeriveSha(newDummy(i), trie.NewStackTrie(nil))
 		if !bytes.Equal(got[:], exp[:]) {
-			printList(newDummy(seed))
+			printList(t, newDummy(seed))
 			t.Fatalf("seed %d: got %x exp %x", seed, got, exp)
 		}
 	}
@@ -192,15 +192,21 @@ func (d *dummyDerivableList) EncodeIndex(i int, w *bytes.Buffer) {
 	io.CopyN(w, mrand.New(src), size)
 }
 
-func printList(l types.DerivableList) {
-	fmt.Printf("list length: %d\n", l.Len())
-	fmt.Printf("{\n")
+func printList(t *testing.T, l types.DerivableList) {
+	var buf bytes.Buffer
+	_, _ = fmt.Fprintf(&buf, "list length: %d, ", l.Len())
+	buf.WriteString("list: [")
 	for i := 0; i < l.Len(); i++ {
-		var buf bytes.Buffer
-		l.EncodeIndex(i, &buf)
-		fmt.Printf("\"%#x\",\n", buf.Bytes())
+		var itemBuf bytes.Buffer
+		l.EncodeIndex(i, &itemBuf)
+		if i == l.Len()-1 {
+			_, _ = fmt.Fprintf(&buf, "\"%#x\"", itemBuf.Bytes())
+		} else {
+			_, _ = fmt.Fprintf(&buf, "\"%#x\",", itemBuf.Bytes())
+		}
 	}
-	fmt.Printf("},\n")
+	buf.WriteString("]")
+	t.Log(buf.String())
 }
 
 type flatList []string
diff --git a/eth/protocols/eth/dispatcher.go b/eth/protocols/eth/dispatcher.go
index 146eec3f60..cba40596fc 100644
--- a/eth/protocols/eth/dispatcher.go
+++ b/eth/protocols/eth/dispatcher.go
@@ -174,6 +174,8 @@ func (p *Peer) dispatchResponse(res *Response, metadata func() interface{}) erro
 				return <-res.Done // Response delivered, return any errors
 			case <-res.Req.cancel:
 				return nil // Request cancelled, silently discard response
+			case <-p.term:
+				return errDisconnected
 			}
 		}
 
diff --git a/eth/sync_test.go b/eth/sync_test.go
index 57eea73790..cad3a4732e 100644
--- a/eth/sync_test.go
+++ b/eth/sync_test.go
@@ -88,7 +88,7 @@ func testSnapSyncDisabling(t *testing.T, ethVer uint, snapVer uint) {
 	if err := empty.handler.downloader.BeaconSync(ethconfig.SnapSync, full.chain.CurrentBlock(), nil); err != nil {
 		t.Fatal("sync failed:", err)
 	}
-	empty.handler.enableSyncedFeatures()
+	time.Sleep(time.Second * 5) // Downloader internally has to wait a timer (3s) to be expired before exiting
 
 	if empty.handler.snapSync.Load() {
 		t.Fatalf("snap sync not disabled after successful synchronisation")