Setup tests environment

src/reducers/index.js

@@ -1,5 +1,9 @@
 import { combineReducers } from 'redux';
 
-const rootReducer = combineReducers({});
+import serversReducer from './servers';
+
+const rootReducer = combineReducers({
+  servers: serversReducer
+});
 
 export default rootReducer;

src/reducers/servers.js

@@ -0,0 +1,15 @@
+const FETCH_SERVERS = 'shlink/FETCH_SERVERS';
+const CREATE_SERVER = 'shlink/FETCH_SERVERS';
+
+export default function serversReducer(state = [{ name: 'bar' }], action) {
+  switch (action.type) {
+    case FETCH_SERVERS:
+      return action.servers;
+    case CREATE_SERVER:
+      return [ ...state, action.server ];
+  }
+
+  return state;
+}
+
+