qb: using ttl timestamp

Fixes: #40

qb/utils_test.go

@@ -1,22 +0,0 @@
-// Copyright (C) 2017 ScyllaDB
-// Use of this source code is governed by a ALv2-style
-// license that can be found in the LICENSE file.
-
-package qb
-
-import (
-	"testing"
-	"time"
-)
-
-func TestTTL(t *testing.T) {
-	if TTL(time.Second*86400) != 86400 {
-		t.Fatal("wrong ttl")
-	}
-}
-
-func TestTimestamp(t *testing.T) {
-	if Timestamp(time.Unix(0, 0).Add(time.Microsecond*123456789)) != 123456789 {
-		t.Fatal("wrong timestamp")
-	}
-}