Correct rally::settings spec test

This patch aim to fix following issues:
 - wrong spec test filename
 - syntax error
 - wrong local variable

Change-Id: I20d9854caa029af1a30967b380354f9e81f4cb89

spec/classes/rally_settings_spec.rb

@@ -9,7 +9,7 @@ describe 'rally::settings' do
 
   let :rally_settings_params do
     {
-      :openstack_client_http_timeout => 180.0
+      :openstack_client_http_timeout => 180.0,
       :cirros_img_url                => 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img',
       :resource_deletion_timeout     => 600,
       :project_domain                => 'default',
@@ -30,7 +30,7 @@ describe 'rally::settings' do
   end
 
   shared_examples_for 'with all parameters' do
-    before { params.merge!( rally_cinder_params ) }
+    before { params.merge!( rally_settings_params ) }
     it 'configures rally settings with all parameters' do
       is_expected.to contain_rally_config('DEFAULT/openstack_client_http_timeout').with(:value => 180.0)
       is_expected.to contain_rally_config('image/cirros_img_url').with(:value => 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img')