diff --git a/pkg/streamingpromql/engine_concurrency_test.go b/pkg/streamingpromql/engine_concurrency_test.go
index 11217b2693..29ff3de990 100644
--- a/pkg/streamingpromql/engine_concurrency_test.go
+++ b/pkg/streamingpromql/engine_concurrency_test.go
@@ -42,7 +42,6 @@ func TestConcurrentQueries(t *testing.T) {
 
 	testCases := []concurrentQueryTestCase{
 		{
-			// Rate over native histogram
 			expr:  `rate(native_histogram[5m])`,
 			start: startT,
 			end:   startT.Add(10 * time.Minute),
@@ -62,6 +61,24 @@ func TestConcurrentQueries(t *testing.T) {
 			end:   startT.Add(10 * time.Minute),
 			step:  time.Minute,
 		},
+		{
+			expr:  `count_over_time(native_histogram[5m])`,
+			start: startT,
+			end:   startT.Add(10 * time.Minute),
+			step:  time.Minute,
+		},
+		{
+			expr:  `sum_over_time(native_histogram[5m])`,
+			start: startT,
+			end:   startT.Add(10 * time.Minute),
+			step:  time.Minute,
+		},
+		{
+			expr:  `avg_over_time(native_histogram[5m])`,
+			start: startT,
+			end:   startT.Add(10 * time.Minute),
+			step:  time.Minute,
+		},
 	}
 
 	storage := promqltest.LoadedStorage(t, data)