diff --git a/web/app/common/store.test.js b/web/app/common/store.test.js
index 1694472b..191351b7 100644
--- a/web/app/common/store.test.js
+++ b/web/app/common/store.test.js
@@ -3,9 +3,11 @@ import store from './store';
 describe('Store', () => {
   it('should trigger listener on add comment', () => {
     const listener = jest.fn();
+
     store.set('comments', []);
     store.onUpdate('comments', listener);
     store.addComment({id:`new`});
+
     expect(listener).toBeCalledWith([{"comment": {"id": "new"}}]);
   });
 });
diff --git a/web/app/components/auth-panel/__tests__/auth-panel.test.js b/web/app/components/auth-panel/__tests__/auth-panel.test.js
index fc49cef1..30a845f0 100644
--- a/web/app/components/auth-panel/__tests__/auth-panel.test.js
+++ b/web/app/components/auth-panel/__tests__/auth-panel.test.js
@@ -5,46 +5,67 @@ import {createDomContainer} from 'testUtils';
 describe('<AuthPanel />', () => {
   describe('For not authorized user', () => {
     let container;
+
     createDomContainer(({domContainer}) => {
       container = domContainer;
     });
+
     it('should render login form with google and github provider', () => {
       const element = <AuthPanel user={{}} sort="-score" providers={[`google`, `github`]} />;
+
       render(element, container);
+
       const authPanelColumn = container.querySelectorAll('.auth-panel__column');
+
       expect(authPanelColumn.length).toEqual(2);
+
       const authForm = authPanelColumn[0];
+
       expect(authForm.textContent)
         .toEqual(expect.stringContaining('Sign in to comment using'));
+
       const providerLinks = authForm.querySelectorAll('.auth-panel__pseudo-link');
+
       expect(providerLinks[0].textContent).toEqual('Google');
       expect(providerLinks[1].textContent).toEqual('GitHub');
     });
   });
   describe('For authorized user', () => {
     let container;
+
     createDomContainer(({domContainer}) => {
       container = domContainer;
     });
+
     it('should render info about current user', () => {
       const element = <AuthPanel user={{id: `test`, name: 'John'}} sort="-score" providers={[`google`, `github`]} />;
+
       render(element, container);
+
       const authPanelColumn = container.querySelectorAll('.auth-panel__column');
+
       expect(authPanelColumn.length).toEqual(2);
+
       const userInfo = authPanelColumn[0];
+
       expect(userInfo.textContent)
         .toEqual(expect.stringContaining('You signed in as John. Sign out?'));
     });
   });
   describe('For admin user', () => {
     let container;
+
     createDomContainer(({domContainer}) => {
       container = domContainer;
     });
+
     it('should render admin action', () => {
       const element = <AuthPanel user={{id: `test`, admin: true, name: 'John'}} sort="-score" providers={[`google`, `github`]} />;
+
       render(element, container);
+
       const adminAction = container.querySelector('.auth-panel__admin-action');
+
       expect(adminAction.textContent)
         .toEqual('Show blocked');
     });
diff --git a/web/app/components/auth-panel/auth-panel.jsx b/web/app/components/auth-panel/auth-panel.jsx
index 54ed9378..3a6a56f1 100644
--- a/web/app/components/auth-panel/auth-panel.jsx
+++ b/web/app/components/auth-panel/auth-panel.jsx
@@ -51,7 +51,7 @@ export default class AuthPanel extends Component {
         }
 
         {
-          loggedIn === false && (
+          !loggedIn && (
             <div className="auth-panel__column">
               Sign in to comment using
               {' '}
diff --git a/web/app/components/preloader/__tests__/preloader.test.jsx b/web/app/components/preloader/__tests__/preloader.test.jsx
index a8d820b9..8d490ace 100644
--- a/web/app/components/preloader/__tests__/preloader.test.jsx
+++ b/web/app/components/preloader/__tests__/preloader.test.jsx
@@ -4,12 +4,14 @@ import {createDomContainer} from 'testUtils';
 
 describe(`<Preloader />`, () => {
   let container;
+
   createDomContainer(({domContainer}) => {
     container = domContainer;
   });
 
   it('should render Preloader', () => {
     render(<Preloader mix="root__preloader" />, container);
+
     expect(container.children[0].className).toEqual('preloader root__preloader');
   });
 });