```ruby
require 'bundler/setup'
require 'mongoid-embedded-errors'
require 'database_cleaner'

current_path = File.dirname(__FILE__)
Dir[File.join(current_path, 'support/**/*.rb')].each { |f| require f }
Mongoid.load! File.join(current_path, 'support/mongoid.yml'), :test

RSpec.configure do |config|
  config.run_all_when_everything_filtered = true
  config.filter_run :focus
  config.filter_run_excluding :skip

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

  config.mock_with :rspec do |mocks|
    mocks.verify_partial_doubles = true
  end
  config.disable_monkey_patching!

  config.before(:suite) do
    DatabaseCleaner.strategy = :truncation
  end

  config.around(:each) do |example|
    DatabaseCleaner.cleaning { example.run }
  end
end
```

Add spec model reloading when using mutant
user
```ruby
require 'bundler/setup'
require 'mongoid-embedded-errors'
require 'database_cleaner'

current_path = File.dirname(__FILE__)
SPEC_MODELS_PATH = File.join(current_path, 'support/**/*.rb').freeze
Dir[SPEC_MODELS_PATH].each { |f| require f }

Mongoid.load! File.join(current_path, 'support/mongoid.yml'), :test

RSpec.configure do |config|
  config.run_all_when_everything_filtered = true
  config.filter_run :focus
  config.filter_run_excluding :skip

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

  config.mock_with :rspec do |mocks|
    mocks.verify_partial_doubles = true
  end
  config.disable_monkey_patching!

  config.before(:suite) do
    DatabaseCleaner.strategy = :truncation
  end

  config.around(:each) do |example|
    DatabaseCleaner.cleaning { example.run }
  end

  config.before(:each) do
    # Need to manually reload spec models for mutant to work as expected
    if ENV['MUTANT']
      Dir[SPEC_MODELS_PATH].each do |filename|
        Object.send(:remove_const, File.basename(filename, '.rb').capitalize)
        load filename
      end
    end
  end
end
```
assistant