Integration testing

+## 0.1.2+1 (Unreleased)
+
+* Added integration testing.
+* Removed unnecessary Android Manifest permission.
+
 ## 0.1.2
 
 * Changed `Wakelock.toggle`'s parameter to a named parameter.

@@ -13,5 +13,9 @@ dev_dependencies:
   wakelock:
     path: ../
 
+  flutter_driver:
+    sdk: flutter
+  test:
+
 flutter:
   uses-material-design: true

+import 'dart:async';
+
+import 'package:flutter_driver/driver_extension.dart';
+import 'package:test/test.dart';
+import 'package:wakelock/wakelock.dart';
+
+void main() {
+  final Completer<String> completer = Completer();
+  enableFlutterDriverExtension(handler: (_) => completer.future);
+  tearDownAll(() => completer.complete(null));
+
+  group('wakelock', () {
+    test('is disabled on start', () async {
+      expect(await Wakelock.isEnabled, false);
+    });
+
+    test('enable', () async {
+      await Wakelock.enable();
+
+      expect(await Wakelock.isEnabled, true);
+    });
+
+    test('disable', () async {
+      await Wakelock.disable();
+
+      expect(await Wakelock.isEnabled, false);
+    });
+
+    test('enable with toggle', () async {
+      await Wakelock.toggle(on: true);
+
+      expect(await Wakelock.isEnabled, true);
+    });
+
+    test('disable with toggle', () async {
+      await Wakelock.toggle(on: false);
+
+      expect(await Wakelock.isEnabled, false);
+    });
+  });
+}

+import 'package:flutter_driver/flutter_driver.dart';
+
+void main() async {
+  final FlutterDriver driver = await FlutterDriver.connect();
+  await driver.requestData(null, timeout: const Duration(minutes: 1));
+  driver.close();
+}
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