revert cdn files to master versions
diff --git a/openstack/cdn/v1/serviceassets/requests_test.go b/openstack/cdn/v1/serviceassets/requests_test.go
index dde7bc1..32896ee 100644
--- a/openstack/cdn/v1/serviceassets/requests_test.go
+++ b/openstack/cdn/v1/serviceassets/requests_test.go
@@ -1,18 +1,18 @@
 package serviceassets
 
 import (
-	"testing"
+  "testing"
 
-	th "github.com/rackspace/gophercloud/testhelper"
-	fake "github.com/rackspace/gophercloud/testhelper/client"
+  th "github.com/rackspace/gophercloud/testhelper"
+  fake "github.com/rackspace/gophercloud/testhelper/client"
 )
 
 func TestDelete(t *testing.T) {
-	th.SetupHTTP()
-	defer th.TeardownHTTP()
+  th.SetupHTTP()
+  defer th.TeardownHTTP()
 
-	HandleDeleteCDNAssetSuccessfully(t)
+  HandleDeleteCDNAssetSuccessfully(t)
 
-	err := Delete(fake.ServiceClient(), "96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0", nil).ExtractErr()
-	th.AssertNoErr(t, err)
+  err := Delete(fake.ServiceClient(), "96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0", nil).ExtractErr()
+  th.AssertNoErr(t, err)
 }