diff --git a/crates/irtt-stats/tests/common/mod.rs b/crates/irtt-stats/tests/common/mod.rs
index 3539f43..0fe478c 100644
--- a/crates/irtt-stats/tests/common/mod.rs
+++ b/crates/irtt-stats/tests/common/mod.rs
@@ -54,9 +54,9 @@ pub fn reply(seq: u32, raw_ms: u64, effective_ms: i128) -> ClientEvent {
         received_at,
         rtt: rtt(raw_ms, effective_ms),
         server_timing: Some(ServerTiming {
-            receive_wall_ns: Some(system_time_ns(sent_at.wall) as i64 + 1_000_000),
+            receive_wall_ns: Some(unix_time_ns_after_epoch(sent_at.wall) as i64 + 1_000_000),
             receive_mono_ns: Some(seq as i64 * 10_000_000 + 1_000_000),
-            send_wall_ns: Some(system_time_ns(sent_at.wall) as i64 + 2_000_000),
+            send_wall_ns: Some(unix_time_ns_after_epoch(sent_at.wall) as i64 + 2_000_000),
             send_mono_ns: Some(seq as i64 * 10_000_000 + 2_000_000),
             midpoint_wall_ns: None,
             midpoint_mono_ns: None,
@@ -107,7 +107,7 @@ pub fn late_reply(seq: u32, raw_ms: u64, effective_ms: i128) -> ClientEvent {
     }
 }
 
-fn system_time_ns(time: std::time::SystemTime) -> i128 {
+fn unix_time_ns_after_epoch(time: std::time::SystemTime) -> i128 {
     time.duration_since(UNIX_EPOCH)
         .map(|duration| duration.as_nanos() as i128)
         .unwrap()
diff --git a/crates/irtt-stats/tests/stats.rs b/crates/irtt-stats/tests/stats.rs
index 060b119..53c093d 100644
--- a/crates/irtt-stats/tests/stats.rs
+++ b/crates/irtt-stats/tests/stats.rs
@@ -22,7 +22,7 @@ fn disabled_median_avoids_finite_retention() {
 }
 
 #[test]
-fn continuous_mode_bounds_sequence_tracking() {
+fn continuous_mode_tracks_samples_without_exact_medians() {
     let mut collector = StatsCollector::new(StatsConfig::continuous());
     for seq in 0..4104 {
         collector.process(&reply(seq, 10, 10));