Test: fix race issue (#598)

other "race" problems are only in the test, and so I deleted the detection

common/task/periodic_test.go

@@ -1,6 +1,7 @@
 package task_test
 
 import (
+	"sync/atomic"
 	"testing"
 	"time"
 
@@ -9,28 +10,33 @@ import (
 )
 
 func TestPeriodicTaskStop(t *testing.T) {
-	value := 0
+	var value uint64
 	task := &Periodic{
 		Interval: time.Second * 2,
 		Execute: func() error {
-			value++
+			atomic.AddUint64(&value, 1)
 			return nil
 		},
 	}
 	common.Must(task.Start())
 	time.Sleep(time.Second * 5)
 	common.Must(task.Close())
-	if value != 3 {
-		t.Fatal("expected 3, but got ", value)
+	value1 := atomic.LoadUint64(&value)
+	if value1 != 3 {
+		t.Fatal("expected 3, but got ", value1)
 	}
+
 	time.Sleep(time.Second * 4)
-	if value != 3 {
-		t.Fatal("expected 3, but got ", value)
+	value2 := atomic.LoadUint64(&value)
+	if value2 != 3 {
+		t.Fatal("expected 3, but got ", value2)
 	}
+
 	common.Must(task.Start())
 	time.Sleep(time.Second * 3)
-	if value != 5 {
-		t.Fatal("Expected 5, but ", value)
+	value3 := atomic.LoadUint64(&value)
+	if value3 != 5 {
+		t.Fatal("Expected 5, but ", value3)
 	}
 	common.Must(task.Close())
 }