ref(_tests): move getRandAppName to utils

because it’s used in a lot of places. also, moved the rand number seed
into the same package as where tests run

Author: arschles

_tests/apps_test.go

@@ -1,16 +1,10 @@
 package _tests_test
 
 import (
-	"fmt"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	"math/rand"
 )
 
-func getRandAppName() string {
-	return fmt.Sprintf("apps-test-%d", rand.Int())
-}
-
 var _ = Describe("Apps", func() {
 	app1Name := getRandAppName()
 	app2Name := getRandAppName()

_tests/package.go

@@ -1,11 +1,2 @@
 // Package _tests contains integration tests for the Deis open source PaaS.
 package _tests
-
-import (
-	"github.com/onsi/ginkgo/config"
-	"math/rand"
-)
-
-func init() {
-	rand.Seed(config.GinkgoConfig.RandomSeed)
-}

_tests/util_test.go

@@ -0,0 +1,16 @@
+package _tests_test
+
+import (
+	"fmt"
+	"math/rand"
+
+	"github.com/onsi/ginkgo/config"
+)
+
+func init() {
+	rand.Seed(config.GinkgoConfig.RandomSeed)
+}
+
+func getRandAppName() string {
+	return fmt.Sprintf("apps-test-%d", rand.Int())
+}