Only federators part of (new) active fed will call to register migration tx

Author: julia-zack

lib/tests/change-federation.js

@@ -1212,6 +1212,7 @@ const execute = (description, newFederationConfig, segwitToSegwitFederationChang
         });
 
         it('should migrate utxos', async () => {
+            const rskTxHelper = rskTxHelpers[rskTxHelpers.length - 1];
             const bridgeStateBeforeMigration = await getBridgeState(rskTxHelper.getClient());
 
             expect(bridgeStateBeforeMigration.pegoutsWaitingForConfirmations.length).to.be.equal(
@@ -1258,8 +1259,6 @@ const execute = (description, newFederationConfig, segwitToSegwitFederationChang
 
             await wait(1000);
             await rskUtils.waitAndUpdateBridge(rskTxHelper);
-            const lastFederator = rskTxHelpers[rskTxHelpers.length - 1];
-            await rskUtils.waitAndUpdateBridge(lastFederator);
 
             const blockNumberBeforeMigrationRelease = await rskTxHelper.getBlockNumber();
 
@@ -1272,7 +1271,7 @@ const execute = (description, newFederationConfig, segwitToSegwitFederationChang
                     return true;
                 }
                 await wait(1000);
-                await rskUtils.waitAndUpdateBridge(rskTxHelpers[rskTxHelpers.length - 1]);
+                await rskUtils.waitAndUpdateBridge(rskTxHelper);
                 return false;
             };