diff --git a/ui/spec/shared/reducers/appSpec.js b/ui/spec/shared/reducers/appSpec.js
new file mode 100644
index 0000000000..b238279bfb
--- /dev/null
+++ b/ui/spec/shared/reducers/appSpec.js
@@ -0,0 +1,12 @@
+import {ephemeralReducer, persistedReducer} from 'src/shared/reducers/app'
+import {setAutoRefresh} from 'src/shared/actions/app'
+
+describe('Shared.Reducers.app.persisted', () => {
+  it('should handle SET_AUTOREFRESH', () => {
+    const initialState = {autoRefresh: 15000}
+    const milliseconds = 0
+
+    const reducedState = persistedReducer(initialState, setAutoRefresh(milliseconds));
+    expect(reducedState.autoRefresh).to.equal(0);
+  })
+})
diff --git a/ui/src/shared/actions/app.js b/ui/src/shared/actions/app.js
index f8939f408f..87c78706ad 100644
--- a/ui/src/shared/actions/app.js
+++ b/ui/src/shared/actions/app.js
@@ -1,6 +1,6 @@
 import {PRESENTATION_MODE_ANIMATION_DELAY} from '../constants'
 
-// ephemeral state reducers
+// ephemeral state action creators
 export const enablePresentationMode = () => ({
   type: 'ENABLE_PRESENTATION_MODE',
 })
@@ -13,7 +13,7 @@ export const delayEnablePresentationMode = () => (dispatch) => {
   setTimeout(() => dispatch(enablePresentationMode()), PRESENTATION_MODE_ANIMATION_DELAY)
 }
 
-// persistent state reducers
+// persistent state action creators
 export const setAutoRefresh = (milliseconds) => ({
   type: 'SET_AUTOREFRESH',
   payload: {
diff --git a/ui/src/shared/reducers/app.js b/ui/src/shared/reducers/app.js
index adcb4c2428..c8bc89ec90 100644
--- a/ui/src/shared/reducers/app.js
+++ b/ui/src/shared/reducers/app.js
@@ -16,7 +16,7 @@ const {
   persisted: initialPersistedState,
 } = initialState
 
-const ephemeralReducer = (state = initialEphemeralState, action) => {
+export const ephemeralReducer = (state = initialEphemeralState, action) => {
   switch (action.type) {
     case 'ENABLE_PRESENTATION_MODE': {
       return {
@@ -37,7 +37,7 @@ const ephemeralReducer = (state = initialEphemeralState, action) => {
   }
 }
 
-const persistedReducer = (state = initialPersistedState, action) => {
+export const persistedReducer = (state = initialPersistedState, action) => {
   switch (action.type) {
     case 'SET_AUTOREFRESH': {
       return {