Reserving only a single item for tests.
diff --git a/writer_test.go b/writer_test.go
index bc0d8dc..0a2b278 100644
--- a/writer_test.go
+++ b/writer_test.go
@@ -11,7 +11,7 @@
 	b.ResetTimer()
 
 	for i := int64(0); i < iterations; i++ {
-		writer.Reserve(i)
+		writer.Reserve(1)
 		read.sequence = i
 	}
 }