NewIntegrationCoordinator returns a new IntegrationCoordinator with N TestChain's.

TODO: Replace for a config.

TODO: Replace for a config.

Endpoint defines the identifiers for a chain's client, connection, and channel.

IBCConnection defines the connection between two chains.

IntegrationCoordinator is a testing struct which contains N TestChain's.

Coordinator is the interface that defines the methods that are used to coordinate the execution of the IBC relayer.