Differentiate between admin and member session

We will use the admin session for the all_tenants test.

test/aviator/openstack/volume/v1/public/list_volumes_test.rb

@@ -5,26 +5,39 @@ class Aviator::Test
   describe 'aviator/openstack/volume/v1/public/list_volumes' do
 
 
+    def admin_session
+      unless @admin_session
+        @admin_session = Aviator::Session.new(
+                     config_file: Environment.path,
+                     environment: 'openstack_admin'
+                   )
+        @admin_session.authenticate
+      end
+
+      @admin_session
+    end
+
+
     def create_request(session_data = get_session_data, &block)
       klass.new(session_data, &block)
     end
 
 
-    def session
+    def member_session
-      unless @session
+      unless @member_session
-        @session = Aviator::Session.new(
+        @member_session = Aviator::Session.new(
                      config_file: Environment.path,
                      environment: 'openstack_member'
                    )
-        @session.authenticate
+        @member_session.authenticate
       end
 
-      @session
+      @member_session
     end
 
 
     def get_session_data
-      session.send :auth_info
+      member_session.send :auth_info
     end
 
 
@@ -33,19 +46,6 @@ class Aviator::Test
     end
 
 
-    def session
-      unless @session
-        @session = Aviator::Session.new(
-                     config_file: Environment.path,
-                     environment: 'openstack_member'
-                   )
-        @session.authenticate
-      end
-
-      @session
-    end
-
-
     def helper
       Aviator::Test::RequestHelper
     end
@@ -57,7 +57,7 @@ class Aviator::Test
 
 
     def create_volume
-      session.volume_service.request :create_volume do |params|
+      member_session.volume_service.request :create_volume do |params|
         params[:display_name]         = 'Aviator Volume Test Name'
         params[:display_description]  = 'Aviator Volume Test Description'
         params[:size]                 = '1'
@@ -124,7 +124,7 @@ class Aviator::Test
     validate_response 'no parameters are provided' do
       create_volume
 
-      response = session.volume_service.request :list_volumes
+      response = member_session.volume_service.request :list_volumes
 
       response.status.must_equal 200
       response.body.wont_be_nil
@@ -136,7 +136,7 @@ class Aviator::Test
     validate_response 'parameters are valid' do
       create_volume
 
-      response = session.volume_service.request :list_volumes do |params|
+      response = member_session.volume_service.request :list_volumes do |params|
         params[:details]      = true
         params[:display_name] = 'Aviator Volume Test Name'
       end
@@ -150,7 +150,7 @@ class Aviator::Test
 
 
     validate_response 'parameters are invalid' do
-      response = session.volume_service.request :list_volumes do |params|
+      response = member_session.volume_service.request :list_volumes do |params|
         params[:display_name] = "derpderp"
       end