diff --git a/pkg/util/async/bounded_frequency_runner_test.go b/pkg/util/async/bounded_frequency_runner_test.go
index 1f9791af878..333adabcf79 100644
--- a/pkg/util/async/bounded_frequency_runner_test.go
+++ b/pkg/util/async/bounded_frequency_runner_test.go
@@ -277,6 +277,9 @@ func Test_BoundedFrequencyRunnerNoBurst(t *testing.T) {
 
 	// Clean up.
 	stop <- struct{}{}
+	// a message is sent to time.updated in func Stop() at the end of the child goroutine
+	// to terminate the child, a receive on time.updated is needed here
+	<-timer.updated
 }
 
 func Test_BoundedFrequencyRunnerBurst(t *testing.T) {
@@ -358,6 +361,9 @@ func Test_BoundedFrequencyRunnerBurst(t *testing.T) {
 
 	// Clean up.
 	stop <- struct{}{}
+	// a message is sent to time.updated in func Stop() at the end of the child goroutine
+	// to terminate the child, a receive on time.updated is needed here
+	<-timer.updated
 }
 
 func Test_BoundedFrequencyRunnerRetryAfter(t *testing.T) {
@@ -441,4 +447,7 @@ func Test_BoundedFrequencyRunnerRetryAfter(t *testing.T) {
 
 	// Clean up.
 	stop <- struct{}{}
+	// a message is sent to time.updated in func Stop() at the end of the child goroutine
+	// to terminate the child, a receive on time.updated is needed here
+	<-timer.updated
 }