Reorganized volumes and volumeattach to move fixtures to subpackage
diff --git a/openstack/blockstorage/v1/volumes/requests_test.go b/openstack/blockstorage/v1/volumes/requests_test.go
index c484cf0..75c2bbc 100644
--- a/openstack/blockstorage/v1/volumes/requests_test.go
+++ b/openstack/blockstorage/v1/volumes/requests_test.go
@@ -3,6 +3,7 @@
 import (
 	"testing"
 
+	fixtures "github.com/rackspace/gophercloud/openstack/blockstorage/v1/volumes/testing"
 	"github.com/rackspace/gophercloud/pagination"
 	th "github.com/rackspace/gophercloud/testhelper"
 	"github.com/rackspace/gophercloud/testhelper/client"
@@ -12,7 +13,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockListResponse(t)
+	fixtures.MockListResponse(t)
 
 	count := 0
 
@@ -49,7 +50,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockListResponse(t)
+	fixtures.MockListResponse(t)
 
 	allPages, err := List(client.ServiceClient(), &ListOpts{}).AllPages()
 	th.AssertNoErr(t, err)
@@ -75,7 +76,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockGetResponse(t)
+	fixtures.MockGetResponse(t)
 
 	v, err := Get(client.ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22").Extract()
 	th.AssertNoErr(t, err)
@@ -89,7 +90,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockCreateResponse(t)
+	fixtures.MockCreateResponse(t)
 
 	options := &CreateOpts{Size: 75}
 	n, err := Create(client.ServiceClient(), options).Extract()
@@ -103,7 +104,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockDeleteResponse(t)
+	fixtures.MockDeleteResponse(t)
 
 	res := Delete(client.ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22")
 	th.AssertNoErr(t, res.Err)
@@ -113,7 +114,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	MockUpdateResponse(t)
+	fixtures.MockUpdateResponse(t)
 
 	options := UpdateOpts{Name: "vol-002"}
 	v, err := Update(client.ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22", options).Extract()