From 5a50a513c4ff867a4914fcd1a15e35db865e4c14 Mon Sep 17 00:00:00 2001
From: Vishal Raj <vishal.raj@elastic.co>
Date: Mon, 6 Oct 2025 15:41:16 +0100
Subject: [PATCH] [chore]Fix time skew in TestLRUSetLifeTime using epsilon
 assertion

---
 exporter/elasticsearchexporter/internal/lru/lruset_test.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/exporter/elasticsearchexporter/internal/lru/lruset_test.go b/exporter/elasticsearchexporter/internal/lru/lruset_test.go
index 33c9523ccba8a..b378e0da3e505 100644
--- a/exporter/elasticsearchexporter/internal/lru/lruset_test.go
+++ b/exporter/elasticsearchexporter/internal/lru/lruset_test.go
@@ -63,8 +63,10 @@ func TestLRUSetLifeTime(t *testing.T) {
 		})
 		require.NoError(tt, err)
 		assert.False(tt, val)
-	}, lifetime*2, lifetime/10)
-	assert.GreaterOrEqual(t, time.Since(timeSet), lifetime)
+	}, lifetime*2, lifetime/100) // tick is kept at 1% of lifetime
+	// Assert with epsilon to somewhat account for NTP adjustments.
+	// Also see: https://github.com/elastic/go-freelru/issues/1
+	assert.InEpsilon(t, lifetime, time.Since(timeSet), 0.015) // epsilon is kept at 1.5%
 }
 
 func BenchmarkLRUSetCheck(b *testing.B) {