test: add unit test for masking repro steps

Author: a7medev

test/utils/instabug_navigator_observer_test.dart

@@ -4,6 +4,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:instabug_flutter/instabug_flutter.dart';
 import 'package:instabug_flutter/src/generated/instabug.api.g.dart';
 import 'package:instabug_flutter/src/utils/screen_loading/screen_loading_manager.dart';
+import 'package:instabug_flutter/src/utils/screen_name_masker.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
 
@@ -35,6 +36,8 @@ void main() {
     observer = InstabugNavigatorObserver();
     route = createRoute(screen);
     previousRoute = createRoute(previousScreen);
+
+    ScreenNameMasker.I.setMaskingCallback(null);
   });
 
   test('should report screen change when a route is pushed', () {
@@ -44,7 +47,7 @@ void main() {
       async.elapse(const Duration(milliseconds: 1000));
 
       verify(
-        mScreenLoadingManager.startUiTrace(screen),
+        mScreenLoadingManager.startUiTrace(screen, screen),
       ).called(1);
 
       verify(
@@ -62,7 +65,7 @@ void main() {
       async.elapse(const Duration(milliseconds: 1000));
 
       verify(
-        mScreenLoadingManager.startUiTrace(previousScreen),
+        mScreenLoadingManager.startUiTrace(previousScreen, previousScreen),
       ).called(1);
 
       verify(
@@ -80,14 +83,34 @@ void main() {
       async.elapse(const Duration(milliseconds: 1000));
 
       verifyNever(
-        mScreenLoadingManager.startUiTrace(any),
+        mScreenLoadingManager.startUiTrace(any, any),
       );
 
       verifyNever(
         mHost.reportScreenChange(any),
       );
     });
   });
+
+  test('should mask screen name when masking callback is set', () {
+    const maskedScreen = 'maskedScreen';
+
+    ScreenNameMasker.I.setMaskingCallback((_) => maskedScreen);
+
+    fakeAsync((async) {
+      observer.didPush(route, previousRoute);
+
+      async.elapse(const Duration(milliseconds: 1000));
+
+      verify(
+        mScreenLoadingManager.startUiTrace(maskedScreen, screen),
+      ).called(1);
+
+      verify(
+        mHost.reportScreenChange(maskedScreen),
+      ).called(1);
+    });
+  });
 }
 
 Route createRoute(String? name) {