Closes #3216

e2e/Modals.test.js

     await expect(elementById(testIDs.WELCOME_SCREEN_HEADER)).toBeVisible();
   });
 
-  it(':android: unmount modal when dismissed', async () => {
+  it('unmount modal when dismissed', async () => {
     await elementById(testIDs.SHOW_MODAL_BUTTON).tap();
     await expect(elementById(testIDs.MODAL_SCREEN)).toBeVisible();
     await elementById(testIDs.MODAL_LIFECYCLE_BUTTON).tap();

lib/ios/RNNModalManager.m

 			_completionBlock();
 			_completionBlock = nil;
 		}
+		self.toVC = nil;
 	}];
 }