diff --git a/frontend/test/components/MapView/ImportDialogBox.spec.js b/frontend/test/components/MapView/ImportDialogBox.spec.js
index 5059d375..91c18f6e 100644
--- a/frontend/test/components/MapView/ImportDialogBox.spec.js
+++ b/frontend/test/components/MapView/ImportDialogBox.spec.js
@@ -19,7 +19,7 @@ describe('ImportDialogBox', function() {
 
   it('has an Export CSV button', () => {
     const wrapper = shallow(<ImportDialogBox onExport={onExport} />)
-    const button = wrapper.find('.export-csv') 
+    const button = wrapper.find('.export-csv')
     expect(button).to.exist
     button.simulate('click')
     expect(csvExport).to.have.property('callCount', 1)
@@ -27,7 +27,7 @@ describe('ImportDialogBox', function() {
 
   it('has an Export JSON button', () => {
     const wrapper = shallow(<ImportDialogBox onExport={onExport} />)
-    const button = wrapper.find('.export-json') 
+    const button = wrapper.find('.export-json')
     expect(button).to.exist
     button.simulate('click')
     expect(jsonExport).to.have.property('callCount', 1)
diff --git a/frontend/test/components/common/InfoAndHelp.spec.js b/frontend/test/components/common/InfoAndHelp.spec.js
index cef37273..c7625647 100644
--- a/frontend/test/components/common/InfoAndHelp.spec.js
+++ b/frontend/test/components/common/InfoAndHelp.spec.js
@@ -1,3 +1,4 @@
+/* global describe, it */
 import React from 'react'
 import { expect } from 'chai'
 import { shallow } from 'enzyme'
@@ -19,7 +20,7 @@ function assertContent({ currentUser, map }) {
     />)
 
   if (map) {
-    it('renders MapInfoBox', () => expect(wrapper.find(MapInfoBox)).to.exist)
+    it('renders MapInfoBox', () => { expect(wrapper.find(MapInfoBox)).to.exist })
     it('renders Map Info icon', () => {
       expect(wrapper.find('.mapInfoIcon')).to.exist
       expect(wrapper.find('.mapInfoIcon .tooltipsAbove').text()).to.equal('Map Info')
@@ -27,8 +28,8 @@ function assertContent({ currentUser, map }) {
       expect(onInfoClick).to.have.property('callCount', 1)
     })
   } else {
-    it('does not render MapInfoBox', () => expect(wrapper.find(MapInfoBox).length).to.equal(0))
-    it('does not render Map Info icon', () => expect(wrapper.find('.mapInfoIcon').length).to.equal(0))
+    it('does not render MapInfoBox', () => { expect(wrapper.find(MapInfoBox).length).to.equal(0) })
+    it('does not render Map Info icon', () => { expect(wrapper.find('.mapInfoIcon').length).to.equal(0) })
   }
 
   if (map && currentUser) {
@@ -38,7 +39,7 @@ function assertContent({ currentUser, map }) {
       expect(onStarClick).to.have.property('callCount', 1)
     })
   } else {
-    it('does not render the Star icon', () => expect(wrapper.find('.starMap').length).to.equal(0))
+    it('does not render the Star icon', () => { expect(wrapper.find('.starMap').length).to.equal(0) })
   }
 
   // common content
diff --git a/frontend/test_support/dom.js b/frontend/test_support/dom.js
index af2c1bf9..5dd4a9ef 100644
--- a/frontend/test_support/dom.js
+++ b/frontend/test_support/dom.js
@@ -5,12 +5,12 @@ const win = doc.defaultView
 global.document = doc
 global.window = win
 
-// take all properties of the window object and also attach it to the 
+// take all properties of the window object and also attach it to the
 // mocha global object
 propagateToGlobal(win)
 
 // from mocha-jsdom https://github.com/rstacruz/mocha-jsdom/blob/master/index.js#L80
-function propagateToGlobal (window) {
+function propagateToGlobal(window) {
   for (let key in window) {
     if (!window.hasOwnProperty(key)) continue
     if (key in global) continue