added testID support in topBar and bottomTabs (#2334)

lib/ios/RNNNavigationOptions.m

 
 -(void)applyOn:(UIViewController*)viewController {
 	if (self.topBar) {
-		if(self.topBar.backgroundColor) {
+		if (self.topBar.backgroundColor) {
 			UIColor* backgroundColor = [RCTConvert UIColor:self.topBar.backgroundColor];
 			viewController.navigationController.navigationBar.barTintColor = backgroundColor;
 		} else {
 				.shadowImage = nil;
 			}
 		}
+		
+		if (self.topBar.testID) {
+			viewController.navigationController.navigationBar.accessibilityIdentifier = self.topBar.testID;
+		}
 	}
 	
 	if (self.popGesture) {
 		if (self.bottomTabs.hidden) {
 			[((RNNTabBarController *)viewController.tabBarController) setTabBarHidden:[self.bottomTabs.hidden boolValue] animated:[self.bottomTabs.animateHide boolValue]];
 		}
+		
+		if (self.bottomTabs.testID) {
+			viewController.tabBarController.tabBar.accessibilityIdentifier = self.bottomTabs.testID;
+		}
 	}
 	
 	if (self.statusBarBlur) {

lib/ios/RNNTabBarOptions.h

 @property (nonatomic, strong) NSNumber* animateHide;
 @property (nonatomic, strong) NSString* tabBadge;
 @property (nonatomic, strong) NSNumber* currentTabIndex;
+@property (nonatomic, strong) NSString* testID;
 
 -(instancetype)init;
 -(instancetype)initWithDict:(NSDictionary *)topBarOptions;

lib/ios/RNNTabBarOptions.m

 	self.animateHide = [tabBarOptions valueForKey:@"animateHide"];
 	self.tabBadge = [tabBarOptions valueForKey:@"tabBadge"];
 	self.currentTabIndex = [tabBarOptions valueForKey:@"currentTabIndex"];
+	self.testID = [tabBarOptions valueForKey:@"testID"];
 	
 	return self;
 }

lib/ios/RNNTopBarOptions.h

 @property (nonatomic, strong) NSNumber* blur;
 @property (nonatomic, strong) NSNumber* animateHide;
 @property (nonatomic, strong) NSNumber* largeTitle;
+@property (nonatomic, strong) NSString* testID;
 
 -(instancetype)init;
 -(instancetype)initWithDict:(NSDictionary *)topBarOptions;

lib/ios/RNNTopBarOptions.m

 	self.translucent = [topBarOptions valueForKey:@"translucent"];
 	self.transparent = [topBarOptions valueForKey:@"transparent"];
 	self.noBorder = [topBarOptions valueForKey:@"noBorder"];
-	self.animateHide =[topBarOptions valueForKey:@"animateHide"];
-	self.largeTitle =[topBarOptions valueForKey:@"largeTitle"];
+	self.animateHide = [topBarOptions valueForKey:@"animateHide"];
+	self.largeTitle = [topBarOptions valueForKey:@"largeTitle"];
+	self.testID = [topBarOptions valueForKey:@"testID"];
 	
 	return self;
 }