```ruby
require 'spec_helper'

describe DeAldiFernbus,".find" do 
  
end
```

Add failing spec for find method
user
```ruby
require 'spec_helper'

describe DeAldiFernbus,".find" do 

  it 'return an array of segments hashes' do 
    from = "Berlin FH T"
    to = "Dresden NST"
    departure = DateTime.civil(2013,12,1)
    response = DeAldiFernbus.find(from, to, departure)

    expect(response.size).to eql(1)
  end
  
end
```
assistant