etcd: rewrite kill_leader and kill_random test

tests/functional/kill_leader_test.go

@@ -15,58 +15,6 @@ import (
 	"github.com/coreos/etcd/third_party/github.com/stretchr/testify/assert"
 )
 
-// This test will kill the current leader and wait for the etcd cluster to elect a new leader for 200 times.
-// It will print out the election time and the average election time.
-func TestKillLeader(t *testing.T) {
-	procAttr := new(os.ProcAttr)
-	procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
-
-	clusterSize := 3
-	argGroup, etcds, err := CreateCluster(clusterSize, procAttr, false)
-	if err != nil {
-		t.Fatal("cannot create cluster")
-	}
-	defer DestroyCluster(etcds)
-
-	stop := make(chan bool)
-	leaderChan := make(chan string, 1)
-	all := make(chan bool, 1)
-
-	time.Sleep(time.Second)
-
-	go Monitor(clusterSize, 1, leaderChan, all, stop)
-
-	var totalTime time.Duration
-
-	leader := "http://127.0.0.1:7001"
-
-	for i := 0; i < clusterSize; i++ {
-		fmt.Println("leader is ", leader)
-		port, _ := strconv.Atoi(strings.Split(leader, ":")[2])
-		num := port - 7001
-		fmt.Println("kill server ", num)
-		etcds[num].Kill()
-		etcds[num].Release()
-
-		start := time.Now()
-		for {
-			newLeader := <-leaderChan
-			if newLeader != leader {
-				leader = newLeader
-				break
-			}
-		}
-		take := time.Now().Sub(start)
-
-		totalTime += take
-		avgTime := totalTime / (time.Duration)(i+1)
-		fmt.Println("Total time:", totalTime, "; Avg time:", avgTime)
-
-		etcds[num], err = os.StartProcess(EtcdBinPath, argGroup[num], procAttr)
-	}
-	stop <- true
-}
-
 // This test will kill the current leader and wait for the etcd cluster to elect a new leader for 200 times.
 // It will print out the election time and the average election time.
 // It runs in a cluster with standby nodes.