migrate: add dxns module

1. add bond,auction, nameserivce module
2. update to v0.12.2 ethermint version
3. fix the test cases
4. add gql server

x/bond/client/testutil/cli_test.go

@@ -0,0 +1,14 @@
+package testutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/tharsis/ethermint/testutil/network"
+)
+
+func TestIntegrationTestSuite(t *testing.T) {
+	cfg := network.DefaultConfig()
+	cfg.NumValidators = 1
+	suite.Run(t, NewIntegrationTestSuite(cfg))
+}