Use akyoto/assert for tests

arn/Inventory_test.go

@@ -3,18 +3,17 @@ package arn_test
 import (
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/akyoto/assert"
 
 	"github.com/animenotifier/notify.moe/arn"
 )
 
 func TestInventory(t *testing.T) {
 	inventory := arn.NewInventory("4J6qpK1ve")
-
-	assert.Len(t, inventory.Slots, arn.DefaultInventorySlotCount)
+	assert.Equal(t, len(inventory.Slots), arn.DefaultInventorySlotCount)
 	assert.False(t, inventory.ContainsItem("pro-account-3"))
 
 	err := inventory.AddItem("pro-account-3", 1)
-	assert.NoError(t, err)
+	assert.Nil(t, err)
 	assert.True(t, inventory.ContainsItem("pro-account-3"))
 }