re-added the disabled tests (#8273)

Author: markdevocht

playground/ios/NavigationTests/RNNCommandsHandlerTest.mm

@@ -180,6 +180,7 @@ - (void)testMergeOptions_shouldOverrideOptions {
                                            initialOptions:initialOptions];
 
     __unused RNNStackController *nav = [[RNNStackController alloc] initWithRootViewController:vc];
+    [self.mainWindow setRootViewController:nav];
     [vc viewWillAppear:false];
     XCTAssertTrue([vc.navigationItem.title isEqual:@"the title"]);
 

playground/ios/playground.xcodeproj/xcshareddata/xcschemes/playground.xcscheme

@@ -68,14 +68,6 @@
                BlueprintName = "NavigationTests"
                ReferencedContainer = "container:playground.xcodeproj">
             </BuildableReference>
-            <SkippedTests>
-               <Test
-                  Identifier = "RNNCommandsHandlerTest">
-               </Test>
-               <Test
-                  Identifier = "RNNModalManagerEventHandlerTest">
-               </Test>
-            </SkippedTests>
          </TestableReference>
       </Testables>
    </TestAction>