diff --git a/controller/northbound/server/auth_test.go b/controller/northbound/server/auth_test.go
index 6399338095e383d3dd7a190f58506e9bdf980360..8712b7da535fade6828de01d2847060fce91eef8 100644
--- a/controller/northbound/server/auth_test.go
+++ b/controller/northbound/server/auth_test.go
@@ -300,7 +300,8 @@ func TestAuth_addTokenAndEnsureTokenLimit_addKey(t *testing.T) {
 	config.MaxTokensPerUser = 2
 	userID := uuid.New()
 	user := rbac.NewUser(userID, "testUser", map[string]string{}, "password", []string{"token1"}, "salt", conflict.Metadata{ResourceVersion: 0})
-	addTokenAndEnsureTokenLimit(user, "token2")
+	err := addTokenAndEnsureTokenLimit(user, "token2")
+	assert.Nil(t, err)
 
 	assert.Equal(t, 2, len(user.GetTokens()))
 	assert.Equal(t, "token1", user.GetTokens()[0])
@@ -311,7 +312,8 @@ func TestAuth_addTokenAndEnsureTokenLimit_removeOldKey(t *testing.T) {
 	config.MaxTokensPerUser = 2
 	userID := uuid.New()
 	user := rbac.NewUser(userID, "testUser", map[string]string{}, "password", []string{"token1", "token2"}, "salt", conflict.Metadata{ResourceVersion: 0})
-	addTokenAndEnsureTokenLimit(user, "token3")
+	err := addTokenAndEnsureTokenLimit(user, "token3")
+	assert.Nil(t, err)
 
 	assert.Equal(t, 2, len(user.GetTokens()))
 	assert.Equal(t, "token2", user.GetTokens()[0])