diff --git a/api/test/awardings.spec.js b/api/test/awardings.spec.js
index b9ee4ed..10c0206 100644
--- a/api/test/awardings.spec.js
+++ b/api/test/awardings.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Awardings', () => {
diff --git a/api/test/command.spec.js b/api/test/command.spec.js
index 27ee475..2552fc8 100644
--- a/api/test/command.spec.js
+++ b/api/test/command.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Command', () => {
diff --git a/api/test/content-tool/user-db-item-creator.js b/api/test/content-tool/user-db-item-creator.js
index 27035a1..6e5e184 100644
--- a/api/test/content-tool/user-db-item-creator.js
+++ b/api/test/content-tool/user-db-item-creator.js
@@ -36,7 +36,7 @@ for (let i = 0; i < quantity; i++) {
     username: createString('abcdefghijklmnopqrstuvwxyz0123456789', 10),
     squadId: squadId,
     rankLvl: Math.floor(Math.random() * 22),
-  }, function(err, user) {
+  }, (err, user) => {
     if (err) {
       console.log(err);
     } else {
@@ -47,7 +47,7 @@ for (let i = 0; i < quantity; i++) {
 
 // If the Node process ends, close the Mongoose connection
 process.on('SIGINT', () => {
-  mongoose.connection.close(function() {
+  mongoose.connection.close(() => {
     console.log('Mongoose default connection disconnected through app termination');
     process.exit(0);
   });
diff --git a/api/test/decorations.spec.js b/api/test/decorations.spec.js
index a08a6e2..84e7cc9 100644
--- a/api/test/decorations.spec.js
+++ b/api/test/decorations.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Decorations', () => {
diff --git a/api/test/ranks.spec.js b/api/test/ranks.spec.js
index 638e764..2518561 100644
--- a/api/test/ranks.spec.js
+++ b/api/test/ranks.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Ranks', () => {
diff --git a/api/test/squads.spec.js b/api/test/squads.spec.js
index efbebf4..cf776b8 100644
--- a/api/test/squads.spec.js
+++ b/api/test/squads.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Squads', () => {
diff --git a/api/test/users.spec.js b/api/test/users.spec.js
index b43332c..66ab3f5 100644
--- a/api/test/users.spec.js
+++ b/api/test/users.spec.js
@@ -8,6 +8,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Users', () => {
diff --git a/api/test/wars.spec.js b/api/test/wars.spec.js
index 147b796..4a164e8 100644
--- a/api/test/wars.spec.js
+++ b/api/test/wars.spec.js
@@ -7,6 +7,9 @@ let chai = require('chai');
 let chaiHttp = require('chai-http');
 let server = require('../server');
 
+// chai methods
+require('chai').should();
+
 chai.use(chaiHttp);
 // Our parent block
 describe('Wars', () => {