Packages 
Package Description
ratpack.test  
ratpack.test.embed
Support for creating embedded applications at test time, for testing Ratpack features and extensions.
ratpack.test.exec
Test fixtures for executing and evaluating Promise and Operation outside of a server instance.
ratpack.test.handling
Test fixtures for exercising Handler implementations without start a full EmbeddedApp.
ratpack.test.http
Test fixtures that provide HTTP client interfaces to applications under test.
ratpack.test.mock
Support for creating mocks for remote APIs