etcd: add joinThroughFollower test

tests/functional/join_test.go

@@ -1,39 +0,0 @@
-package test
-
-import (
-	"os"
-	"testing"
-	"time"
-)
-
-func TestJoinThroughFollower(t *testing.T) {
-	procAttr := new(os.ProcAttr)
-	procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
-
-	_, etcds, err := CreateCluster(2, procAttr, false)
-	if err != nil {
-		t.Fatal("cannot create cluster")
-	}
-	defer DestroyCluster(etcds)
-
-	time.Sleep(time.Second)
-
-	newEtcd, err := os.StartProcess(EtcdBinPath, []string{"etcd", "-data-dir=/tmp/node3", "-name=node3", "-addr=127.0.0.1:4003", "-peer-addr=127.0.0.1:7003", "-peers=127.0.0.1:7002", "-f"}, procAttr)
-	if err != nil {
-		t.Fatal("failed starting node3")
-	}
-	defer func() {
-		newEtcd.Kill()
-		newEtcd.Release()
-	}()
-
-	time.Sleep(time.Second)
-
-	leader, err := getLeader("http://127.0.0.1:4003")
-	if err != nil {
-		t.Fatal("failed getting leader from node3:", err)
-	}
-	if leader != "http://127.0.0.1:7001" {
-		t.Fatal("expect=http://127.0.0.1:7001 got=", leader)
-	}
-}