diff --git a/observable_operator_test.go b/observable_operator_test.go
index fa9ac9cb..229d7a82 100644
--- a/observable_operator_test.go
+++ b/observable_operator_test.go
@@ -381,13 +381,14 @@ func Test_Observable_Count_Parallel(t *testing.T) {
 		HasItem(int64(10000)))
 }
 
-// FIXME
-//func Test_Observable_Debounce(t *testing.T) {
-//	defer goleak.VerifyNone(t)
-//	ctx, obs, d := timeCausality(1, tick, 2, tick, 3, 4, 5, tick, 6, tick)
-//	Assert(ctx, t, obs.Debounce(d, WithBufferedChannel(10), WithContext(ctx)),
-//		HasItems(1, 2, 5, 6))
-//}
+func Test_Observable_Debounce(t *testing.T) {
+	defer goleak.VerifyNone(t)
+	ctx, obs, d := timeCausality(1, tick, 2, tick, 3, 4, 5, tick, 6, tick)
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+	Assert(ctx, t, obs.Debounce(d, WithBufferedChannel(10), WithContext(ctx)),
+		HasItems(1, 2, 5, 6))
+}
 
 func Test_Observable_Debounce_Error(t *testing.T) {
 	defer goleak.VerifyNone(t)