English tests added

Author: BrawlerXull

test/language/sentence_manager_test.dart

@@ -0,0 +1,14 @@
+import 'package:test/test.dart';
+import 'package:taskwarrior/app/utils/language/sentence_manager.dart';
+import 'package:taskwarrior/app/utils/language/supported_language.dart';
+
+void main() {
+  group('SentenceManager Tests', () {
+    test('Should return "Hello, World!" for English', () {
+      final sentenceManager = SentenceManager(currentLanguage: SupportedLanguage.english);
+      expect(sentenceManager.sentences.helloWorld, 'Hello, World!');
+    });
+
+    
+  });
+}