Add ChiefTransformer tame update spec
user
```ruby
require 'spec_helper'

describe ChiefTransformer::Processor::TameUpdate do
  before(:all) { preload_standing_data }
  after(:all)  { clear_standing_data }

  let(:sample_operation_date) { Date.new(2013,8,5) }

  let(:chief_update) {
    create :chief_update, :applied, issue_date: sample_operation_date
  }

  describe '#process' do
    context 'TAME has last effective date' do
      let(:last_effective_date) { DateTime.parse("2009-11-15 11:00:00") }

      let!(:measure) {
        create :measure,
          :national,
          validity_start_date: DateTime.parse("2008-12-15 11:00:00"),
          goods_nomenclature_item_id: '0101010100',
          measure_type_id: 'VTS'
      }

      let!(:tame) { create(:tame, amend_indicator: "U",
                                  fe_tsmp: DateTime.parse("2008-11-15 11:00:00"),
                                  le_tsmp: last_effective_date,
                                  msrgp_code: "VT",
                                  msr_type: "S",
                                  tty_code: "813",
                                  adval_rate: 15.000,
                                  origin: chief_update.filename) }

      before { ChiefTransformer::Processor::TameUpdate.new(tame).process }

      it 'ends measure setting its validity end date to TAME last effective timestap' do
        expect(measure.reload.validity_end_date.to_date).to eq last_effective_date.to_date
      end
    end
  end
end
```
assistant