[tizen_window_manager] Remove integration tests duplicating existing coverage

Per review, the getGeometry and lower test groups only re-checked what the
pre-existing 'Can get window geometry info' and 'Control lower/activate
window' tests already assert with exact expected values.

Author: seungsoo47

packages/tizen_window_manager/CHANGELOG.md

@@ -1,7 +1,3 @@
-## NEXT
-
-* Add 4 integration test cases.
-
 ## 0.1.0
 
 * Initial release.

packages/tizen_window_manager/example/integration_test/tizen_window_manager_test.dart

@@ -29,35 +29,4 @@ void main() {
 
     expect(WidgetsBinding.instance.lifecycleState, AppLifecycleState.resumed);
   });
-
-  group('WindowManager.getGeometry', () {
-    testWidgets('returns a map with all required keys',
-        (WidgetTester tester) async {
-      final Map<String, int> geometry = await WindowManager.getGeometry();
-      expect(geometry.containsKey('x'), isTrue);
-      expect(geometry.containsKey('y'), isTrue);
-      expect(geometry.containsKey('width'), isTrue);
-      expect(geometry.containsKey('height'), isTrue);
-    });
-
-    testWidgets('returns positive dimensions', (WidgetTester tester) async {
-      final Map<String, int> geometry = await WindowManager.getGeometry();
-      expect(geometry['width'], greaterThan(0));
-      expect(geometry['height'], greaterThan(0));
-    });
-  });
-
-  group('WindowManager.lower', () {
-    testWidgets('completes without error and window can be reactivated',
-        (WidgetTester tester) async {
-      await expectLater(WindowManager.lower(), completes);
-      await Future<void>.delayed(const Duration(seconds: 1));
-
-      // Restore the window so subsequent tests run in a normal state.
-      await WindowManager.activate();
-      await Future<void>.delayed(const Duration(seconds: 2));
-
-      expect(WidgetsBinding.instance.lifecycleState, AppLifecycleState.resumed);
-    });
-  });
 }