```ruby
ENV['RAILS_ENV'] ||= 'test'

begin
  require File.expand_path("../dummy/config/environment", __FILE__)
rescue LoadError
  puts "Could not load dummy application. Please ensure you have run `bundle exec rake test_app`"
  exit
end

require 'rspec/rails'

# Requires supporting files with custom matchers and macros, etc,
# in ./support/ and its subdirectories.
Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f}

RSpec.configure do |config|
  config.color = true
  config.fail_fast = ENV['FAIL_FAST'] || false
  config.infer_spec_type_from_file_location!
  config.mock_with :rspec
  config.raise_errors_for_deprecations!

  # If you're not using ActiveRecord, or you'd prefer not to run each of your
  # examples within a transaction, comment the following line or assign false
  # instead of true.
  config.use_transactional_fixtures = false
end
```

Fix dummy test app path
user
```ruby
ENV['RAILS_ENV'] ||= 'test'

begin
  require File.expand_path("../core_dummy/config/environment", __FILE__)
rescue LoadError
  puts "Could not load dummy application. Please ensure you have run `bundle exec rake test_app`"
  exit
end

require 'rspec/rails'

# Requires supporting files with custom matchers and macros, etc,
# in ./support/ and its subdirectories.
Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f}

RSpec.configure do |config|
  config.color = true
  config.fail_fast = ENV['FAIL_FAST'] || false
  config.infer_spec_type_from_file_location!
  config.mock_with :rspec
  config.raise_errors_for_deprecations!

  # If you're not using ActiveRecord, or you'd prefer not to run each of your
  # examples within a transaction, comment the following line or assign false
  # instead of true.
  config.use_transactional_fixtures = false
end
```
assistant