diff --git a/src/test/externalldap-test.js b/src/test/externalldap-test.js
index 377e5b572..ec03d46ff 100644
--- a/src/test/externalldap-test.js
+++ b/src/test/externalldap-test.js
@@ -58,7 +58,7 @@ class LdapServer {
 
     // helper function to deal with pagination taken from ldap.js
     #finalSend(results, req, res, next) {
-        let min = 0;
+        const min = 0;
         const max = results.length;
         let cookie = null;
         let pageSize = 0;
@@ -120,7 +120,7 @@ class LdapServer {
         this.#ldapServer = ldap.createServer();
 
         this.#ldapServer.search(LDAP_BASE_DN, (req, res, next) => {
-            let results = [];
+            const results = [];
 
             this.#users.forEach(function (entry) {
                 const dn = ldap.parseDN(`cn=${entry.username},${LDAP_BASE_DN}`);
@@ -144,7 +144,7 @@ class LdapServer {
         });
 
         this.#ldapServer.search(LDAP_GROUP_BASE_DN, (req, res, next) => {
-            let results = [];
+            const results = [];
 
             this.#groups.forEach(function (entry) {
                 const dn = ldap.parseDN(`cn=${entry.groupname},${LDAP_GROUP_BASE_DN}`);
@@ -223,7 +223,7 @@ describe('External LDAP', function () {
 
     describe('settings', function () {
         it('enabling fails with missing url', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             delete conf.url;
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -231,7 +231,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling fails with empty url', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.url = '';
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -239,7 +239,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling fails with missing baseDn', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             delete conf.baseDn;
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -247,7 +247,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling fails with empty baseDn', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.baseDn = '';
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -255,7 +255,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling fails with missing filter', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             delete conf.filter;
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -263,7 +263,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling fails with empty filter', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.filter = '';
 
             const [error] = await safe(externalLdap.setConfig(conf, auditSource));
@@ -280,7 +280,7 @@ describe('External LDAP', function () {
 
         // now test with groups
         it('enabling with groups fails with missing groupBaseDn', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             delete conf.groupBaseDn;
 
@@ -289,7 +289,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups fails with empty groupBaseDn', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             conf.groupBaseDn = '';
 
@@ -298,7 +298,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups fails with missing groupFilter', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             delete conf.groupFilter;
 
@@ -307,7 +307,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups fails with empty groupFilter', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             conf.groupFilter = '';
 
@@ -316,7 +316,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups fails with missing groupnameField', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             delete conf.groupnameField;
 
@@ -325,7 +325,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups fails with empty groupnameField', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
             conf.groupnameField = '';
 
@@ -334,7 +334,7 @@ describe('External LDAP', function () {
         });
 
         it('enabling with groups succeeds', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.syncGroups = true;
 
             await externalLdap.setConfig(conf, auditSource);
@@ -634,7 +634,7 @@ describe('External LDAP', function () {
         });
 
         it('enable auto create', async function () {
-            let conf = Object.assign({}, LDAP_CONFIG);
+            const conf = Object.assign({}, LDAP_CONFIG);
             conf.autoCreate = true;
             await externalLdap.setConfig(conf, auditSource);
         });