[rackspace] Fixes nesting of tests

Fog::Compute connection was called outside of the Shindo blocks and
failing if rackspace credentials were not present.

tests/rackspace/models/block_storage/snapshot_tests.rb

@@ -1,6 +1,5 @@
-service = Fog::Rackspace::BlockStorage.new
-
 Shindo.tests('Fog::Rackspace::BlockStorage | snapshot', ['rackspace']) do
+  service = Fog::Rackspace::BlockStorage.new
 
   begin
     volume = service.volumes.create({

tests/rackspace/models/compute_v2/flavors_tests.rb

@@ -1,6 +1,6 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | flavors', ['rackspace']) do
   service = Fog::Compute::RackspaceV2.new
 
-Shindo.tests('Fog::Compute::RackspaceV2 | flavors', ['rackspace']) do
   tests("success") do
     tests("#all").succeeds do
       service.flavors.all

tests/rackspace/models/compute_v2/image_tests.rb

@@ -1,9 +1,8 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | image', ['rackspace']) do
   service    = Fog::Compute::RackspaceV2.new
   flavor_id  = Fog.credentials[:rackspace_flavor_id] || service.flavors.first.id
   image_id   = Fog.credentials[:rackspace_image_id]  || service.images.first.id
 
-Shindo.tests('Fog::Compute::RackspaceV2 | image', ['rackspace']) do
-
   test_time = Time.now.to_i.to_s
   options = {
     :name => "fog_server_#{test_time}",

tests/rackspace/models/compute_v2/images_tests.rb

@@ -1,6 +1,5 @@
-service = Fog::Compute::RackspaceV2.new
-
 Shindo.tests('Fog::Compute::RackspaceV2 | images', ['rackspace']) do
+  service = Fog::Compute::RackspaceV2.new
 
   image_id = nil
 

tests/rackspace/models/compute_v2/server_tests.rb

@@ -1,3 +1,4 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | server', ['rackspace']) do
   service = Fog::Compute::RackspaceV2.new
   cbs_service = Fog::Rackspace::BlockStorage.new
 
@@ -5,8 +6,6 @@ flavor_id  = Fog.credentials[:rackspace_flavor_id] || service.flavors.first.id
   image_id   = Fog.credentials[:rackspace_image_id]  || service.images.first.id
   image_id ||= Fog.mocking? ? service.images.first.id : service.images.find {|image| image.name =~ /Ubuntu/}.id # use the first Ubuntu image
 
-Shindo.tests('Fog::Compute::RackspaceV2 | server', ['rackspace']) do
-
   options = {
     :name => "fog_server_#{Time.now.to_i.to_s}",
     :flavor_id => flavor_id,

tests/rackspace/models/compute_v2/servers_tests.rb

@@ -1,8 +1,8 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | servers', ['rackspace']) do
   connection = Fog::Compute::RackspaceV2.new
   flavor_id     = Fog.credentials[:rackspace_flavor_id] || connection.flavors.first.id
   image_id      = Fog.credentials[:rackspace_image_id]  || connection.images.first.id
 
-Shindo.tests('Fog::Compute::RackspaceV2 | servers', ['rackspace']) do
   options = {
     :name => "fog_server_#{Time.now.to_i.to_s}",
     :flavor_id => flavor_id,

tests/rackspace/requests/block_storage/snapshot_tests.rb

@@ -1,5 +1,6 @@
-timeout = Fog.mocking? ? 1 : 10
 Shindo.tests('Fog::Rackspace::BlockStorage | snapshot_tests', ['rackspace']) do
+  timeout = Fog.mocking? ? 1 : 10
+
   snapshot_format = {
     'id' => String,
     'status' => String,

tests/rackspace/requests/compute_v2/attachment_tests.rb

@@ -1,11 +1,10 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | attachment_tests', ['rackspace']) do
   compute_service       = Fog::Compute::RackspaceV2.new
   block_storage_service = Fog::Rackspace::BlockStorage.new
   image_id              = Fog.credentials[:rackspace_image_id] || compute_service.images.first.id
   flavor_id             = Fog.credentials[:rackspace_flavor_id] || compute_service.flavors.first.id
   timeout = Fog.mocking? ? 1 : 10
 
-Shindo.tests('Fog::Compute::RackspaceV2 | attachment_tests', ['rackspace']) do
-
   attachment_format = {
     'volumeAttachment' => {
       'id' => String,

tests/rackspace/requests/compute_v2/image_tests.rb

@@ -1,9 +1,8 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | image_tests', ['rackspace']) do
   service   = Fog::Compute.new(:provider => 'Rackspace', :version => 'V2')
   flavor_id = Fog.credentials[:rackspace_flavor_id] || service.flavors.first.id
   image_id  = Fog.credentials[:rackspace_image_id] || service.images.first.id
 
-Shindo.tests('Fog::Compute::RackspaceV2 | image_tests', ['rackspace']) do
-
   image_format = {
     'id' => String,
     'name' => String,

tests/rackspace/requests/compute_v2/server_tests.rb

@@ -1,10 +1,9 @@
+Shindo.tests('Fog::Compute::RackspaceV2 | server_tests', ['rackspace']) do
   service   = Fog::Compute.new(:provider => 'Rackspace', :version => 'V2')
   image_id  = Fog.credentials[:rackspace_image_id]
   image_id ||= Fog.mocking? ? service.images.first.id : service.images.find {|image| image.name =~ /Ubuntu/}.id # use the first Ubuntu image
   flavor_id = Fog.credentials[:rackspace_flavor_id] || service.flavors.first.id
 
-Shindo.tests('Fog::Compute::RackspaceV2 | server_tests', ['rackspace']) do
-
   link_format = {
     'href' => String,
     'rel' => String