Set conn.UsedAt when connection is created. Fixes #263.

export_test.go

@@ -1,6 +1,9 @@
 package redis
 
-import "net"
+import (
+	"net"
+	"time"
+)
 
 func (c *baseClient) Pool() pool {
 	return c.connPool
@@ -15,3 +18,13 @@ var NewConnDialer = newConnDialer
 func (cn *conn) SetNetConn(netcn net.Conn) {
 	cn.netcn = netcn
 }
+
+func SetTime(tm time.Time) {
+	now = func() time.Time {
+		return tm
+	}
+}
+
+func RestoreTime() {
+	now = time.Now
+}