diff --git a/tests/configs/empty_ipWhiteList.js b/tests/configs/empty_ipWhiteList.js
index 1c9353b5..6a0a9e95 100644
--- a/tests/configs/empty_ipWhiteList.js
+++ b/tests/configs/empty_ipWhiteList.js
@@ -3,7 +3,7 @@
  * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
  * MIT Licensed.
  */
-let config = require('./default.js');
+let config = require("./default.js");
 config.ipWhitelist = [];
 
 /*************** DO NOT EDIT THE LINE BELOW ***************/
diff --git a/tests/configs/env.js b/tests/configs/env.js
index 9386d1c5..e5689d4c 100644
--- a/tests/configs/env.js
+++ b/tests/configs/env.js
@@ -4,7 +4,7 @@
  * MIT Licensed.
  */
 
-let config = require('./default.js');
+let config = require("./default.js");
 
 /*************** DO NOT EDIT THE LINE BELOW ***************/
 if (typeof module !== "undefined") {
diff --git a/tests/configs/noIpWhiteList.js b/tests/configs/noIpWhiteList.js
index 6fe8e888..f9d3698e 100644
--- a/tests/configs/noIpWhiteList.js
+++ b/tests/configs/noIpWhiteList.js
@@ -3,7 +3,7 @@
  * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
  * MIT Licensed.
  */
-let config = require('./default.js');
+let config = require("./default.js");
 config.ipWhitelist = ["x.x.x.x"];
 
 /*************** DO NOT EDIT THE LINE BELOW ***************/
diff --git a/tests/configs/port_8090.js b/tests/configs/port_8090.js
index 9771e40b..400a54e1 100644
--- a/tests/configs/port_8090.js
+++ b/tests/configs/port_8090.js
@@ -3,7 +3,7 @@
  * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
  * MIT Licensed.
  */
-let config = require('./default.js');
+let config = require("./default.js");
 config.port = 8090;
 
 /*************** DO NOT EDIT THE LINE BELOW ***************/
diff --git a/tests/configs/without_modules.js b/tests/configs/without_modules.js
index d985a4f5..78d56717 100644
--- a/tests/configs/without_modules.js
+++ b/tests/configs/without_modules.js
@@ -3,7 +3,7 @@
  * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
  * MIT Licensed.
  */
-let config = require('./default.js');
+let config = require("./default.js");
 delete config.modules;
 
 /*************** DO NOT EDIT THE LINE BELOW ***************/