aggregate coverage metrics of unit tests across packages (#115)

aggregate coverage metrics of unit tests across packages
diff --git a/openstack/blockstorage/v1/apiversions/testing/doc.go b/openstack/blockstorage/v1/apiversions/testing/doc.go
index 7603f83..12e4bda 100644
--- a/openstack/blockstorage/v1/apiversions/testing/doc.go
+++ b/openstack/blockstorage/v1/apiversions/testing/doc.go
@@ -1 +1,2 @@
+// apiversions_v1
 package testing
diff --git a/openstack/blockstorage/v1/snapshots/testing/doc.go b/openstack/blockstorage/v1/snapshots/testing/doc.go
index 7603f83..85c45f4 100644
--- a/openstack/blockstorage/v1/snapshots/testing/doc.go
+++ b/openstack/blockstorage/v1/snapshots/testing/doc.go
@@ -1 +1,2 @@
+// snapshots_v1
 package testing
diff --git a/openstack/blockstorage/v1/volumes/testing/doc.go b/openstack/blockstorage/v1/volumes/testing/doc.go
index 2f66ba5..088e43c 100644
--- a/openstack/blockstorage/v1/volumes/testing/doc.go
+++ b/openstack/blockstorage/v1/volumes/testing/doc.go
@@ -1,7 +1,9 @@
+// volumes_v1
+package testing
+
 /*
 This is package created is to hold fixtures (which imports testing),
 so that importing volumes package does not inadvertently import testing into production code
 More information here:
 https://github.com/rackspace/gophercloud/issues/473
 */
-package testing
diff --git a/openstack/blockstorage/v1/volumetypes/testing/doc.go b/openstack/blockstorage/v1/volumetypes/testing/doc.go
index 7603f83..73834ed 100644
--- a/openstack/blockstorage/v1/volumetypes/testing/doc.go
+++ b/openstack/blockstorage/v1/volumetypes/testing/doc.go
@@ -1 +1,2 @@
+// volumetypes_v1
 package testing
diff --git a/openstack/blockstorage/v2/extensions/volumeactions/testing/doc.go b/openstack/blockstorage/v2/extensions/volumeactions/testing/doc.go
index 7603f83..e720733 100644
--- a/openstack/blockstorage/v2/extensions/volumeactions/testing/doc.go
+++ b/openstack/blockstorage/v2/extensions/volumeactions/testing/doc.go
@@ -1 +1,2 @@
+// volumeactions
 package testing
diff --git a/openstack/blockstorage/v2/volumes/testing/doc.go b/openstack/blockstorage/v2/volumes/testing/doc.go
index 7603f83..aa8351a 100644
--- a/openstack/blockstorage/v2/volumes/testing/doc.go
+++ b/openstack/blockstorage/v2/volumes/testing/doc.go
@@ -1 +1,2 @@
+// volumes_v2
 package testing