Revert "Test for the minimum validator commision (#2)"

This reverts commit 6ae217b.

Author: lydia.pierce@principia.edu

testutil/network/integration_test.go

@@ -26,10 +26,19 @@ type (
 	Config  = network.Config
 )
 
-// New creates instance with fully configured Chihuahua network, along with
-// creating a funded account for each name provided
-func New(t *testing.T, config network.Config) *network.Network {
-	net := network.New(t, config)
+// New creates instance with fully configured cosmos network.
+// Accepts optional config, that will be used in place of the DefaultConfig() if provided.
+func New(t *testing.T, configs ...network.Config) *network.Network {
+	if len(configs) > 1 {
+		panic("at most one config should be provided")
+	}
+	var cfg network.Config
+	if len(configs) == 0 {
+		cfg = DefaultConfig()
+	} else {
+		cfg = configs[0]
+	}
+	net := network.New(t, cfg)
 	t.Cleanup(net.Cleanup)
 	return net
 }