add -t docs

README.md

@@ -30,6 +30,12 @@ To use with latest changes:
 
 	go get github.com/go-ini/ini
 
+### Testing
+
+If you want to test on your machine, please apply `-t` flag:
+
+	go get -t gopkg.in/ini.v1
+
 ## Getting Started
 
 ### Loading from data sources

README_ZH.md

@@ -23,6 +23,12 @@
 
 	go get github.com/go-ini/ini
 
+### 测试安装
+
+如果您想要在自己的机器上运行测试，请使用 `-t` 标记：
+
+	go get -t gopkg.in/ini.v1
+
 ## 开始使用
 
 ### 从数据源加载