fix go1.10.3 orm test failed

.travis.yml

@@ -2,7 +2,7 @@ language: go
 
 go:
   - "1.9.2"
-  - "1.10.2"
+  - "1.10.3"
 services:
   - redis-server
   - mysql

orm/models_test.go

@@ -433,53 +433,57 @@ var (
 	dDbBaser dbBaser
 )
 
-func init() {
-	Debug, _ = StrTo(DBARGS.Debug).Bool()
+var (
+	helpinfo = `need driver and source!
 
-	if DBARGS.Driver == "" || DBARGS.Source == "" {
-		fmt.Println(`need driver and source!
-
-Default DB Drivers.
+	Default DB Drivers.
 	
 	  driver: url
 	   mysql: https://github.com/go-sql-driver/mysql
 	 sqlite3: https://github.com/mattn/go-sqlite3
-postgres: https://github.com/lib/pq
-tidb: https://github.com/pingcap/tidb
+	postgres: https://github.com/lib/pq
+	tidb: https://github.com/pingcap/tidb
 	
-usage:
+	usage:
 	
-go get -u github.com/astaxie/beego/orm
-go get -u github.com/go-sql-driver/mysql
-go get -u github.com/mattn/go-sqlite3
-go get -u github.com/lib/pq
-go get -u github.com/pingcap/tidb
+	go get -u github.com/astaxie/beego/orm
+	go get -u github.com/go-sql-driver/mysql
+	go get -u github.com/mattn/go-sqlite3
+	go get -u github.com/lib/pq
+	go get -u github.com/pingcap/tidb
 	
-#### MySQL
-mysql -u root -e 'create database orm_test;'
-export ORM_DRIVER=mysql
-export ORM_SOURCE="root:@/orm_test?charset=utf8"
-go test -v github.com/astaxie/beego/orm
+	#### MySQL
+	mysql -u root -e 'create database orm_test;'
+	export ORM_DRIVER=mysql
+	export ORM_SOURCE="root:@/orm_test?charset=utf8"
+	go test -v github.com/astaxie/beego/orm
 	
 	
-#### Sqlite3
-export ORM_DRIVER=sqlite3
-export ORM_SOURCE='file:memory_test?mode=memory'
-go test -v github.com/astaxie/beego/orm
+	#### Sqlite3
+	export ORM_DRIVER=sqlite3
+	export ORM_SOURCE='file:memory_test?mode=memory'
+	go test -v github.com/astaxie/beego/orm
 	
 	
-#### PostgreSQL
-psql -c 'create database orm_test;' -U postgres
-export ORM_DRIVER=postgres
-export ORM_SOURCE="user=postgres dbname=orm_test sslmode=disable"
-go test -v github.com/astaxie/beego/orm
+	#### PostgreSQL
+	psql -c 'create database orm_test;' -U postgres
+	export ORM_DRIVER=postgres
+	export ORM_SOURCE="user=postgres dbname=orm_test sslmode=disable"
+	go test -v github.com/astaxie/beego/orm
 	
-#### TiDB
-export ORM_DRIVER=tidb
-export ORM_SOURCE='memory://test/test'
-go test -v github.com/astaxie/beego/orm
+	#### TiDB
+	export ORM_DRIVER=tidb
+	export ORM_SOURCE='memory://test/test'
+	go test -v github.com/astaxie/beego/orm
 	
-`)
+	`
+)
+
+func init() {
+	Debug, _ = StrTo(DBARGS.Debug).Bool()
+
+	if DBARGS.Driver == "" || DBARGS.Source == "" {
+		fmt.Println(helpinfo)
 		os.Exit(2)
 	}