test right side menu

android/app/src/test/java/com/reactnativenavigation/LayoutFactoryTest.java

         assertThat(result.getChildAt(0)).isInstanceOf(Container.class);
     }
 
+    @Test
+    public void hasRightMenu() throws Exception {
+        when(reactRootViewCreator.create(eq(NODE_ID), eq(REACT_ROOT_VIEW_KEY))).thenReturn(mockView);
+        LayoutNode sideMenuRight = createSideMenuRightNode();
+        final LayoutNode sideMenu = createSideMenuContainerNode(Arrays.asList(sideMenuRight));
+        final ViewGroup result = (ViewGroup) createLayoutFactory().create(sideMenu);
+        assertThat(result.getChildAt(0)).isInstanceOf(Container.class);
+    }
+
     @Test
     public void returnsSingleTabContent() throws Exception {
         BottomTabs bottomTabsMock = mock(BottomTabs.class);
         return new LayoutNode("SideMenuLeft", children);
     }
 
+    private LayoutNode createSideMenuRightNode() {
+        List<LayoutNode> children = Arrays.asList(createContainerNode());
+        return new LayoutNode("SideMenuRight", children);
+    }
+
     private LayoutNode createContainerNode(final String id, final String name) {
         return new LayoutNode(id, "Container", new HashMap<String, Object>() {{ put("name", name); }});
     }