diff --git a/apis/cores_it_test.go b/apis/cores_it_test.go
index 0d95229d8..63ee9236a 100644
--- a/apis/cores_it_test.go
+++ b/apis/cores_it_test.go
@@ -128,7 +128,7 @@ func testCoreItStartEngineByExecWithCPUProfiling(t *testing.T) {
 	}
 	fib := utils.FibDuration(time.Millisecond, 0)
 	var connected bool
-	for i := 0; i < 200; i++ {
+	for i := 0; i < 16; i++ {
 		time.Sleep(fib())
 		if _, err := jsonrpc.Dial(utils.TCP, coreSCfg.ListenCfg().RPCJSONListen); err != nil {
 			t.Log(err)
@@ -184,7 +184,7 @@ func testCoreItStartEngineByExecWIthMemProfiling(t *testing.T) {
 	}
 	fib := utils.FibDuration(time.Millisecond, 0)
 	var connected bool
-	for i := 0; i < 200; i++ {
+	for i := 0; i < 16; i++ {
 		time.Sleep(fib())
 		if _, err := jsonrpc.Dial(utils.TCP, coreSCfg.ListenCfg().RPCJSONListen); err != nil {
 			t.Log(err)
diff --git a/engine/libtest.go b/engine/libtest.go
index f5a821b62..ca94b8b78 100644
--- a/engine/libtest.go
+++ b/engine/libtest.go
@@ -119,7 +119,7 @@ func StartEngine(cfgPath string, waitEngine int) (*exec.Cmd, error) {
 	}
 	fib := utils.FibDuration(time.Millisecond, 0)
 	var connected bool
-	for i := 0; i < 200; i++ {
+	for i := 0; i < 16; i++ {
 		time.Sleep(fib())
 		if _, err := jsonrpc.Dial(utils.TCP, cfg.ListenCfg().RPCJSONListen); err != nil {
 			utils.Logger.Warning(fmt.Sprintf("Error <%s> when opening test connection to: <%s>",
@@ -147,7 +147,7 @@ func StartEngineWithContext(ctx context.Context, cfgPath string, waitEngine int)
 		return
 	}
 	fib := utils.FibDuration(time.Millisecond, 0)
-	for i := 0; i < 200; i++ {
+	for i := 0; i < 16; i++ {
 		time.Sleep(fib())
 		if _, err = jsonrpc.Dial(utils.TCP, cfg.ListenCfg().RPCJSONListen); err != nil {
 			continue