ex_spec.rb

describe Example do
  context '.create' do
    it 'receives a call to create method' do
      expect(described_class.create).to
        receive(create)
          .with('something')
    end
  end
 
  context '.example' do
    it 'returns the example' do
      expect(described_class.example).to eq('example')
    end
  end
end