chore: add add_mute tests

assets/responses/add-mutes-no-params.html

@@ -0,0 +1,4 @@
+Created mute with the following params:
+<strong>Chain:</strong> all chains
+<strong>Proposal ID:</strong> all proposals
+<strong>Expires: </strong>Sun, 01 Dec 2024 16:56:01 GMT

assets/responses/add-mutes-params.html

@@ -0,0 +1,4 @@
+Created mute with the following params:
+<strong>Chain:</strong> chain
+<strong>Proposal ID:</strong> proposal
+<strong>Expires: </strong>Sun, 01 Dec 2024 16:56:01 GMT

pkg/database/stub.go

@@ -13,6 +13,7 @@ type StubDatabase struct {
 	GetVoteError          error
 	UpsertVoteError       error
 	IsMutedError          error
+	UpsertMuteError       error
 
 	Proposals       map[string]map[string]*types.Proposal
 	Votes           map[string]map[string]map[string]*types.Vote
@@ -156,6 +157,10 @@ func (d *StubDatabase) UpsertLastBlockHeight(
 }
 
 func (d *StubDatabase) UpsertMute(mute *types.Mute) error {
+	if d.UpsertMuteError != nil {
+		return d.UpsertMuteError
+	}
+
 	if d.Mutes == nil {
 		d.Mutes = []*types.Mute{}
 	}

pkg/reporters/telegram/add_mute.go

@@ -1,6 +1,8 @@
 package telegram
 
 import (
+	"fmt"
+
 	tele "gopkg.in/telebot.v3"
 )
 
@@ -17,7 +19,7 @@ func (reporter *Reporter) HandleAddMute(c tele.Context) error {
 
 	if insertErr := reporter.MutesManager.AddMute(mute); insertErr != nil {
 		reporter.Logger.Error().Err(insertErr).Msg("Error adding mute")
-		return reporter.BotReply(c, "Error adding mute")
+		return reporter.BotReply(c, fmt.Sprintf("Error adding mute: %s", insertErr))
 	}
 
 	return reporter.ReplyRender(c, "mute_added", mute)