request_helper.rb

module Requests
  module JsonHelpers
    def json
      JSON.parse(response.body)
    end
  end
end

spec_helper.rb

require 'vcr'
require 'support/vcr_setup.rb'
require 'support/request_helpers'

RSpec.configure do |config|
  # This allows to call `expect(json['content']).to eq(content) ` ;) 
  config.include Requests::JsonHelpers, type: :request

  config.expect_with :rspec do |expectations|
    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
  end

  # config.filter_run focus: true
  config.expect_with :rspec do |expectations|
    expectations.syntax = :expect
  end

  config.mock_with :rspec do |mocks|
    mocks.syntax = :expect
    mocks.verify_partial_doubles = true
    # https://www.relishapp.com/rspec/rspec-mocks/v/3-0/docs/verifying-doubles/using-an-instance-double
    mocks.verify_doubled_constant_names = true
  end

  config.example_status_persistence_file_path = 'tmp/rspec_examples.txt'
  config.order = :defined
  config.color = true
end

vcr_setup.rb

require 'vcr'

VCR.configure do |c|
  c.cassette_library_dir = 'spec/vcr_cassettes'
  c.hook_into :webmock
  c.configure_rspec_metadata!
end