```ruby
require 'test_helper'

class BreaksApiTest < ActiveSupport::TestCase
include Rack::Test::Methods
include TestHelpers::AuthHelper
include TestHelpers::JsonHelper

def app
    Rails.application
end

end```

Add POST Test for breaks_api
user
```ruby
require 'test_helper'

class BreaksApiTest < ActiveSupport::TestCase
include Rack::Test::Methods
include TestHelpers::AuthHelper
include TestHelpers::JsonHelper

def app
    Rails.application
end

#POST TEST
def test_post_breaks
    teaching_period = FactoryBot.create(:teaching_period)
    start = teaching_period.start_date + 4.weeks
    number_of_break = Break.count
    data_to_post = {
        start_date: start,
        number_of_weeks: rand(1..3),
        auth_token: auth_token 
    }
    # Perform the POST
    post "/api/teaching_periods/#{teaching_period.id}/breaks", data_to_post

    # Check if the POST succeeds
    assert_equal 201, last_response.status

    # Check if the details posted match as expected
    response_keys = %w(start_date number_of_weeks)
    breaks = Break.find(last_response_body['id'])
    assert_json_matches_model(last_response_body, breaks, response_keys)

    # check if the details in the newly created break match as the pre-set data
    assert_equal data_to_post[:start_date].to_date, breaks.start_date.to_date
    assert_equal data_to_post[:number_of_weeks], breaks.number_of_weeks

    # check if one more break is created
    assert_equal Break.count, number_of_break + 1
end 

end```
assistant