diff --git a/src/routers/__tests__/StackRouter-test.js b/src/routers/__tests__/StackRouter-test.js
index 1f2df02..b668fc2 100644
--- a/src/routers/__tests__/StackRouter-test.js
+++ b/src/routers/__tests__/StackRouter-test.js
@@ -869,6 +869,7 @@ describe('StackRouter', () => {
   });
 
   test('Maps old actions (uses "Handles the reset action" test)', () => {
+    global.console.warn = jest.fn();
     const router = StackRouter({
       Foo: {
         screen: () => <div />,
@@ -895,5 +896,10 @@ describe('StackRouter', () => {
     expect(state2 && state2.routes[0].params).toEqual({ bar: '42' });
     expect(state2 && state2.routes[0].routeName).toEqual('Foo');
     expect(state2 && state2.routes[1].routeName).toEqual('Bar');
+    expect(console.warn).toBeCalledWith(
+      expect.stringContaining(
+        "The action type 'Init' has been renamed to 'Navigation/INIT'"
+      )
+    );
   });
 });
diff --git a/src/routers/__tests__/TabRouter-test.js b/src/routers/__tests__/TabRouter-test.js
index 4fe24a2..cccb389 100644
--- a/src/routers/__tests__/TabRouter-test.js
+++ b/src/routers/__tests__/TabRouter-test.js
@@ -549,6 +549,7 @@ describe('TabRouter', () => {
   });
 
   test('Maps old actions (uses "getStateForAction returns null when navigating to same tab" test)', () => {
+    global.console.warn = jest.fn();
     const router = TabRouter(
       { Foo: BareLeafRouteConfig, Bar: BareLeafRouteConfig },
       { initialRouteName: 'Bar' }
@@ -561,6 +562,11 @@ describe('TabRouter', () => {
       state
     );
     expect(state2).toEqual(null);
+    expect(console.warn).toBeCalledWith(
+      expect.stringContaining(
+        "The action type 'Init' has been renamed to 'Navigation/INIT'"
+      )
+    );
   });
 
   test('Can navigate to other tab (no router) with params', () => {