chore: add explicit check for seq of messages

hare4/hare_test.go

@@ -1359,8 +1359,7 @@ func TestHare_ReconstructCollision(t *testing.T) {
 		cluster.partitionSigners()
 	}
 	layer := tst.genesis + 1
-	cluster.drainInteractiveMessages()
-	cluster.setup()
+
 	// scenario:
 	// node 1 has generated 1 proposal that (mocked) hash into 0xab as prefix - both nodes know the proposal
 	// node 2 has generated 1 proposal that hash into 0xab (but node 1 doesn't know about it)
@@ -1370,6 +1369,11 @@ func TestHare_ReconstructCollision(t *testing.T) {
 	// failed signature vs. hashes colliding - there's a difference in number of single prefixes
 	// that are sent, but the response should be the same)
 
+	go func() { <-cluster.nodes[1].tracer.compactReq }()  // node 2 gets the request
+	go func() { <-cluster.nodes[0].tracer.compactResp }() // node 1 gets the response
+
+	cluster.setup()
+
 	cluster.genProposals(layer, 1)
 	cluster.genProposalNode(layer, 1)
 	cluster.movePreround(layer)