register Initiated Flow
abstract fun <T> registerInitiatedFlow(initiatedFlowClass: Class<T>, track: Boolean = false): <Error class: unknown class><T>
Use this method to register your initiated flows in your tests. This is automatically done by the node when it starts up for all FlowLogic classes it finds which are annotated with InitiatedBy.
Return
An Observable of the initiated flows started by counterparties.