diff --git a/config/presets/testnet.go b/config/presets/testnet.go
index fb62984975..ed9b3b4170 100644
--- a/config/presets/testnet.go
+++ b/config/presets/testnet.go
@@ -112,7 +112,7 @@ func testnet() config.Config {
 			MaxRequestRetries: 10,
 		},
 		POST: activation.PostConfig{
-			MinNumUnits:   4,
+			MinNumUnits:   2,
 			MaxNumUnits:   math.MaxUint32,
 			LabelsPerUnit: 1024,
 			K1:            26,
diff --git a/node/adminservice_api_test.go b/node/adminservice_api_test.go
index 70623fc76f..4c2e1b00b9 100644
--- a/node/adminservice_api_test.go
+++ b/node/adminservice_api_test.go
@@ -18,6 +18,7 @@ import (
 
 func TestPeerInfoApi(t *testing.T) {
 	cfg := config.DefaultTestConfig()
+	cfg.Genesis.Accounts = nil
 	cfg.P2P.DisableNatPort = true
 	cfg.P2P.Listen = "/ip4/127.0.0.1/tcp/0"
 
diff --git a/node/util_test.go b/node/util_test.go
index 095b4a7272..aa55b35990 100644
--- a/node/util_test.go
+++ b/node/util_test.go
@@ -46,6 +46,7 @@ func NewTestNetwork(t *testing.T, conf config.Config, l log.Log, size int) []*Te
 		c.DataDirParent = dir
 		c.SMESHING.Opts.DataDir = dir
 		c.SMESHING.CoinbaseAccount = types.GenerateAddress([]byte(strconv.Itoa(i))).String()
+
 		c.FileLock = filepath.Join(c.DataDirParent, "LOCK")
 
 		app := NewApp(t, &c, l)