add unit test coverage for pkg/kubelet/util/queue

Signed-off-by: zhoumingcheng <zhoumingcheng@beyondcent.com>

pkg/kubelet/util/queue/work_queue_test.go

@@ -20,8 +20,10 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/utils/clock"
 	testingclock "k8s.io/utils/clock/testing"
 )
 
@@ -63,3 +65,19 @@ func TestGetWork(t *testing.T) {
 	compareResults(t, expected, q.GetWork())
 	compareResults(t, []types.UID{}, q.GetWork())
 }
+
+func TestNewBasicWorkQueue(t *testing.T) {
+	tests := []struct {
+		clock             clock.Clock
+		expectedWorkQueue WorkQueue
+	}{
+		{
+			clock:             clock.RealClock{},
+			expectedWorkQueue: &basicWorkQueue{queue: make(map[types.UID]time.Time), clock: clock.RealClock{}},
+		},
+	}
+	for _, test := range tests {
+		workQueue := NewBasicWorkQueue(test.clock)
+		assert.Equal(t, test.expectedWorkQueue, workQueue)
+	}
+}