translate organization_id to organization

lib/ansible_tower_client/base_models/credential.rb

@@ -1,4 +1,7 @@
 module AnsibleTowerClient
   class Credential < BaseModel
+    def override_raw_attributes
+      { :organization => :organization_id }
+    end
   end
 end

spec/credential_spec.rb

@@ -18,4 +18,16 @@
     expect(obj.username).to     be_a String
     expect(obj.name).to         be_a String
   end
+
+  context 'override_raw_attributes' do
+    let(:obj) { described_class.new(instance_double("Faraday::Connection"), raw_instance) }
+    let(:instance_api) { obj.instance_variable_get(:@api) }
+
+    it 'translates :organization to :organization_id for update_attributes' do
+      raw_instance[:organization_id] = 10
+      expect(instance_api).to receive(:patch).and_return(instance_double("Faraday::Result", :body => raw_instance.to_json))
+      expect(obj.update_attributes(:organization => '5')).to eq true
+      expect(obj.organization_id).to eq '5'
+    end
+  end
 end