[RED] Add navigation test to Login

test/mock_test.dart

@@ -3,6 +3,7 @@ import 'package:mockito/mockito.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:ppl_disabilitas/network/network_interface.dart';
 import 'package:ppl_disabilitas/page/dashboard/dashboard.dart';
+import 'package:ppl_disabilitas/component/bisago_drawer.dart';
 import 'package:http/http.dart' as http;
 import 'package:pedantic/pedantic.dart';
 
@@ -83,5 +84,24 @@ void main() {
       await tester.pumpAndSettle();
       expect(popResult, 'Take me back');
     });
+
+    Future<Null> _navigateToLoginPage(WidgetTester tester) async {
+      final drawer = find.byType(BisaGoDrawer);
+      await tester.tap(drawer);
+      final textToFind = 'Login';
+      await tester.tap(find.text(textToFind));
+      await tester.pump();
+    }
+
+    testWidgets(
+        'when tapping text form field, should navigate to pencarian page',
+            (WidgetTester tester) async {
+          final textFieldLogin = 'Masuk ke Akun';
+          await _buildDashboardPage(tester);
+          await _navigateToLoginPage(tester);
+
+          verify(mockObserver.didPush(any, any));
+          expect(find.text(textFieldLogin), findsOneWidget);
+        });
   });
 }