chore: fix tests

Author: rach-id

consensus/state.go

@@ -2728,6 +2728,8 @@ func (cs *State) syncData() {
 
 // ValidateProposal stateful validation of the proposal.
 func (cs *State) ValidateProposal(proposal *types.Proposal) (*cmtproto.Proposal, error) {
+	cs.mtx.RLock()
+	defer cs.mtx.RUnlock()
 	// Does not apply
 	if proposal.Height != cs.Height || proposal.Round != cs.Round {
 		return nil, fmt.Errorf("%w: proposal height %v round %v does not match state height %v round %v", errInvalidProposalHeightRound, proposal.Height, proposal.Round, cs.Height, cs.Round)