diff --git a/internal/csync/maps_test.go b/internal/csync/maps_test.go
index b2b2c979af47eb408666a6456c911b65086c03c2..2ce29d94e1e59644b2bde6c2de704c609038cbfb 100644
--- a/internal/csync/maps_test.go
+++ b/internal/csync/maps_test.go
@@ -5,6 +5,7 @@ import (
 	"maps"
 	"sync"
 	"testing"
+	"testing/synctest"
 	"time"
 
 	"github.com/stretchr/testify/require"
@@ -40,31 +41,35 @@ func TestNewMapFrom(t *testing.T) {
 func TestNewLazyMap(t *testing.T) {
 	t.Parallel()
 
-	waiter := sync.Mutex{}
-	waiter.Lock()
-	loadCalled := false
+	synctest.Test(t, func(t *testing.T) {
+		t.Helper()
 
-	loadFunc := func() map[string]int {
+		waiter := sync.Mutex{}
 		waiter.Lock()
-		defer waiter.Unlock()
-		loadCalled = true
-		return map[string]int{
-			"key1": 1,
-			"key2": 2,
+		loadCalled := false
+
+		loadFunc := func() map[string]int {
+			waiter.Lock()
+			defer waiter.Unlock()
+			loadCalled = true
+			return map[string]int{
+				"key1": 1,
+				"key2": 2,
+			}
 		}
-	}
 
-	m := NewLazyMap(loadFunc)
-	require.NotNil(t, m)
+		m := NewLazyMap(loadFunc)
+		require.NotNil(t, m)
 
-	waiter.Unlock() // Allow the load function to proceed
-	time.Sleep(100 * time.Millisecond)
-	require.True(t, loadCalled)
-	require.Equal(t, 2, m.Len())
+		waiter.Unlock() // Allow the load function to proceed
+		time.Sleep(100 * time.Millisecond)
+		require.True(t, loadCalled)
+		require.Equal(t, 2, m.Len())
 
-	value, ok := m.Get("key1")
-	require.True(t, ok)
-	require.Equal(t, 1, value)
+		value, ok := m.Get("key1")
+		require.True(t, ok)
+		require.Equal(t, 1, value)
+	})
 }
 
 func TestMap_Set(t *testing.T) {