diff --git a/lib/plugins/aws/deployFunction/index.test.js b/lib/plugins/aws/deployFunction/index.test.js
index a1c28f0ae..3a2bf1858 100644
--- a/lib/plugins/aws/deployFunction/index.test.js
+++ b/lib/plugins/aws/deployFunction/index.test.js
@@ -1,5 +1,5 @@
 'use strict';
-
+/* eslint-disable no-unused-expressions */
 const chai = require('chai');
 const sinon = require('sinon');
 const path = require('path');
@@ -153,7 +153,7 @@ describe('AwsDeployFunction', () => {
       const arn = 'arn:aws:iam::123456789012:role/role';
 
       return awsDeployFunction.normalizeArnRole(arn).then((result) => {
-        expect(getAccountInfoStub.calledOnce).to.be.equal(false);
+        expect(getAccountInfoStub).to.not.have.been.called;
         expect(result).to.be.equal(arn);
       });
     });
@@ -162,7 +162,7 @@ describe('AwsDeployFunction', () => {
       const roleName = 'MyCustomRole';
 
       return awsDeployFunction.normalizeArnRole(roleName).then((result) => {
-        expect(getAccountInfoStub.calledOnce).to.be.equal(true);
+        expect(getAccountInfoStub).to.have.been.called;
         expect(result).to.be.equal('arn:aws:iam::123456789012:role/role_123');
       });
     });
@@ -177,7 +177,7 @@ describe('AwsDeployFunction', () => {
 
       return awsDeployFunction.normalizeArnRole(roleObj).then((result) => {
         expect(getRoleStub.calledOnce).to.be.equal(true);
-        expect(getAccountInfoStub.calledOnce).to.be.equal(false);
+        expect(getAccountInfoStub).to.not.have.been.called;
         expect(result).to.be.equal('arn:aws:iam::123456789012:role/role_2');
       });
     });