Add frontend subdirectory to project

frontend/test/task_list_tile_test.dart

@@ -0,0 +1,71 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter/material.dart';
+import 'package:auto_gpt_flutter_client/views/task/task_list_tile.dart';
+import 'package:auto_gpt_flutter_client/models/task.dart';
+
+void main() {
+  final Task testTask = Task(id: 1, title: "Sample Task");
+
+  testWidgets('TaskListTile displays the task title',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(MaterialApp(
+        home: TaskListTile(task: testTask, onTap: () {}, onDelete: () {})));
+    expect(find.text('Sample Task'), findsOneWidget);
+  });
+
+  testWidgets('TaskListTile toggles isSelected state on tap',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(MaterialApp(
+        home: TaskListTile(task: testTask, onTap: () {}, onDelete: () {})));
+
+    // Initially, the delete icon should not be present
+    expect(find.byIcon(Icons.close), findsNothing);
+
+    // Tap the tile
+    await tester.tap(find.text('Sample Task'));
+    await tester.pump();
+
+    // The delete icon should appear
+    expect(find.byIcon(Icons.close), findsOneWidget);
+  });
+
+  testWidgets('TaskListTile triggers onDelete when delete icon is tapped',
+      (WidgetTester tester) async {
+    bool wasDeleteCalled = false;
+    await tester.pumpWidget(MaterialApp(
+        home: TaskListTile(
+            task: testTask,
+            onTap: () {},
+            onDelete: () {
+              wasDeleteCalled = true;
+            })));
+
+    // Tap the tile to make the delete icon appear
+    await tester.tap(find.text('Sample Task'));
+    await tester.pump();
+
+    // Tap the delete icon
+    await tester.tap(find.byIcon(Icons.close));
+    await tester.pump();
+
+    expect(wasDeleteCalled, true);
+  });
+
+  testWidgets('TaskListTile triggers onTap when tapped',
+      (WidgetTester tester) async {
+    bool wasTapped = false;
+    await tester.pumpWidget(MaterialApp(
+        home: TaskListTile(
+            task: testTask,
+            onTap: () {
+              wasTapped = true;
+            },
+            onDelete: () {})));
+
+    // Tap the tile
+    await tester.tap(find.text('Sample Task'));
+    await tester.pump();
+
+    expect(wasTapped, true);
+  });
+}