chore: Remove call to deprecated rand.Seed() (#14041)

pkg/logql/sketch/topk_slow_test.go

@@ -171,7 +171,6 @@ func TestCMSTopk(t *testing.T) {
 					oTotal += int(n)
 				}
 
-				rand.Seed(time.Now().UnixNano())
 				rand.Shuffle(len(events), func(i, j int) { events[i], events[j] = events[j], events[i] })
 
 				for _, e := range events {
@@ -254,7 +253,6 @@ func BenchmarkCMSTopk(b *testing.B) {
 			oTotal += int(n)
 		}
 
-		rand.Seed(time.Now().UnixNano())
 		rand.Shuffle(len(events), func(i, j int) { events[i], events[j] = events[j], events[i] })
 		b.StartTimer()
 
@@ -304,7 +302,6 @@ func TestBFTopK(t *testing.T) {
 		}
 	}
 
-	rand.Seed(time.Now().UnixNano())
 	rand.Shuffle(len(events), func(i, j int) { events[i], events[j] = events[j], events[i] })
 
 	topk, _ := NewSketchBF(100, 27189, 7)

pkg/logql/sketch/topk_test.go

@@ -9,7 +9,6 @@ import (
 	"sort"
 	"strconv"
 	"testing"
-	"time"
 
 	"github.com/alicebob/miniredis/v2/hyperloglog"
 	"github.com/stretchr/testify/assert"
@@ -69,7 +68,6 @@ func TestTopK_Merge(t *testing.T) {
 		}
 	}
 
-	rand.Seed(time.Now().UnixNano()) //nolint:all
 	rand.Shuffle(len(events), func(i, j int) { events[i], events[j] = events[j], events[i] })
 
 	topk1, err := NewCMSTopkForCardinality(nil, k, nStreams)