diff --git a/web/src/js/__tests__/ducks/indexSpec.js b/web/src/js/__tests__/ducks/indexSpec.js
new file mode 100644
index 000000000..c5c4d5257
--- /dev/null
+++ b/web/src/js/__tests__/ducks/indexSpec.js
@@ -0,0 +1,12 @@
+import reduceState from '../../ducks/index'
+
+describe('reduceState in js/ducks/index.js', () => {
+    it('should combine flow and header', () => {
+        let state = reduceState(undefined, {})
+        expect(state.hasOwnProperty('eventLog')).toBeTruthy()
+        expect(state.hasOwnProperty('flows')).toBeTruthy()
+        expect(state.hasOwnProperty('settings')).toBeTruthy()
+        expect(state.hasOwnProperty('connection')).toBeTruthy()
+        expect(state.hasOwnProperty('ui')).toBeTruthy()
+    })
+})