rename brand in live specs

Author: razumau

spec/live/brand_spec.rb

@@ -2,7 +2,7 @@
 
 describe ZendeskAPI::Brand, :delete_after do
   def valid_attributes
-    { :name => "awesomesauce_ruby_sdk_test", :subdomain => "zendeskapi#{SecureRandom.hex(3)}" }
+    { :name => "awesomesauce_ruby_sdk_test_brand", :subdomain => "zendeskapi#{SecureRandom.hex(3)}" }
   end
 
   it_should_be_creatable