```ruby
# frozen_string_literal: false

require 'spec_helper'


RSpec.describe Portal::Country, type: :model do

  # TODO: auto-generated
  describe '.csv_filemame' do
    it 'csv_filemame' do
      result = described_class.csv_filemame

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.from_csv_file' do
    it 'from_csv_file' do
      result = described_class.from_csv_file

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.remap_keys' do
    it 'remap_keys' do
      in_hash = {}
      result = described_class.remap_keys(in_hash)

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.field_name_map' do
    it 'field_name_map' do
      result = described_class.field_name_map

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.from_hash' do
    it 'from_hash' do
      in_hash = {}
      result = described_class.from_hash(in_hash)

      expect(result).not_to be_nil
    end
  end

end
```

Update spec test for Portal::Country class
user
```ruby
# frozen_string_literal: false

require 'spec_helper'


RSpec.describe Portal::Country, type: :model do

  # TODO: auto-generated
  describe '.csv_filemame' do
    it 'csv_filemame' do
      result = described_class.csv_filemame

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.from_csv_file' do
    it 'from_csv_file' do
      result = described_class.from_csv_file

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.remap_keys' do
    it 'remap_keys' do
      in_hash = {}
      result = described_class.remap_keys(in_hash)

      expect(result).not_to be_nil
    end
  end

  # TODO: auto-generated
  describe '.field_name_map' do
    it 'field_name_map' do
      result = described_class.field_name_map

      expect(result).not_to be_nil
    end
  end

  describe '.from_hash' do
    it 'from_hash' do
      in_hash = {:name => "Utopia"}
      result = described_class.from_hash(in_hash)

      expect(result).not_to be_nil
    end
  end

end
```
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