From 35e157d84dd374d64783f1d8dd436666ae80edf9 Mon Sep 17 00:00:00 2001
From: Viktor Liu <viktor@netbird.io>
Date: Wed, 8 Jul 2026 09:40:49 +0200
Subject: [PATCH] Fix TestResetAggregationWindow flake on coarse OS clocks

---
 client/internal/netflow/store/event_aggregation_test.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client/internal/netflow/store/event_aggregation_test.go b/client/internal/netflow/store/event_aggregation_test.go
index c0422e8b7..2406290ef 100644
--- a/client/internal/netflow/store/event_aggregation_test.go
+++ b/client/internal/netflow/store/event_aggregation_test.go
@@ -176,6 +176,10 @@ func TestFlowAggregationOfUnknownProtocols(t *testing.T) {
 
 func TestResetAggregationWindow(t *testing.T) {
 	store := NewAggregatingMemoryStore()
+	// Backdate the window start: the reset below happens within the OS
+	// clock granularity (~15ms on Windows), which would otherwise make
+	// the old and new window start timestamps identical.
+	store.WindowStart = store.WindowStart.Add(-time.Second)
 	store.StoreEvent(&types.Event{
 		ID:        uuid.New(),
 		Timestamp: time.Now(),