move unit tests into 'testing' directories
diff --git a/openstack/compute/v2/extensions/diskconfig/testing/doc.go b/openstack/compute/v2/extensions/diskconfig/testing/doc.go
new file mode 100644
index 0000000..7603f83
--- /dev/null
+++ b/openstack/compute/v2/extensions/diskconfig/testing/doc.go
@@ -0,0 +1 @@
+package testing
diff --git a/openstack/compute/v2/extensions/diskconfig/requests_test.go b/openstack/compute/v2/extensions/diskconfig/testing/requests_test.go
similarity index 81%
rename from openstack/compute/v2/extensions/diskconfig/requests_test.go
rename to openstack/compute/v2/extensions/diskconfig/testing/requests_test.go
index 2e3ae18..6ce560a 100644
--- a/openstack/compute/v2/extensions/diskconfig/requests_test.go
+++ b/openstack/compute/v2/extensions/diskconfig/testing/requests_test.go
@@ -1,8 +1,9 @@
-package diskconfig
+package testing
 
 import (
 	"testing"
 
+	"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/diskconfig"
 	"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
 	th "github.com/gophercloud/gophercloud/testhelper"
 )
@@ -14,9 +15,9 @@
 		FlavorRef: "performance1-1",
 	}
 
-	ext := CreateOptsExt{
+	ext := diskconfig.CreateOptsExt{
 		CreateOptsBuilder: base,
-		DiskConfig:        Manual,
+		DiskConfig:        diskconfig.Manual,
 	}
 
 	expected := `
@@ -41,9 +42,9 @@
 		ImageID:   "asdfasdfasdf",
 	}
 
-	ext := RebuildOptsExt{
+	ext := diskconfig.RebuildOptsExt{
 		RebuildOptsBuilder: base,
-		DiskConfig:         Auto,
+		DiskConfig:         diskconfig.Auto,
 	}
 
 	actual, err := ext.ToServerRebuildMap()
@@ -67,9 +68,9 @@
 		FlavorRef: "performance1-8",
 	}
 
-	ext := ResizeOptsExt{
+	ext := diskconfig.ResizeOptsExt{
 		ResizeOptsBuilder: base,
-		DiskConfig:        Auto,
+		DiskConfig:        diskconfig.Auto,
 	}
 
 	actual, err := ext.ToServerResizeMap()