Add coordinator rotation test (#535)

* add node side unit test

* complete rotation test for all networks

* set up the fast-epoch docker file

* fix pr comments

* add coordinator side rotation test

* bug fixes

* Remove EPOCH_INTERVAL

* Minor nits

* Add note on origin of publish_tx function in tests/coordinator

* Correct ThresholdParams assert_eq

* fmt

* Correct detection of handover completion

* Restore key gen message match from develop

It was modified in response to the handover completion bug, which has now been
resolved.

* bug fixes

* Correct invalid constant

* Typo fixes

* remove selecting participant to remove at random

---------

Co-authored-by: Luke Parker <lukeparker5132@gmail.com>

tests/full-stack/src/tests/mod.rs

@@ -69,7 +69,7 @@ pub(crate) async fn new_test(test_body: impl TestBody) {
     let monero_processor_composition = monero_processor_composition.swap_remove(0);
 
     let coordinator_composition = coordinator_instance(name, coord_key);
-    let serai_composition = serai_composition(name);
+    let serai_composition = serai_composition(name, false);
 
     // Give every item in this stack a unique ID
     // Uses a Mutex as we can't generate a 8-byte random ID without hitting hostname length limits