refactor: address PR feedback

tsdb/tsm1/cache.go

@@ -432,8 +432,7 @@ func (c *Cache) DeleteBucketRange(ctx context.Context, name string, min, max int
 
 	for _, k := range toDelete {
 		total += uint64(len(k))
-		// TODO(edd): either use unsafe conversion to []byte or add a removeString
-		// method.
+		// TODO(edd): either use unsafe conversion to []byte or add a removeString method.
 		c.store.remove([]byte(k))
 	}
 

tsdb/tsm1/engine_test.go

@@ -342,7 +342,7 @@ func BenchmarkEngine_DeletePrefixRange_Cache(b *testing.B) {
 		}
 	})
 
-	b.Run("not exists", func(b *testing.B) {
+	b.Run("not_exists", func(b *testing.B) {
 		b.ReportAllocs()
 		for i := 0; i < b.N; i++ {
 			b.StopTimer()