Add TimeOfDay and DateTime extension tests

test/widget_test.dart

@@ -5,6 +5,7 @@
 // gestures. You can also use WidgetTester to find child widgets in the widget
 // tree, read text, and verify that the values of widget properties are correct.
 
+import 'package:eduapge2/home.dart';
 import 'package:eduapge2/login.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -38,6 +39,20 @@ void main() {
     expect(prefs.get("email"), equals(username));
     expect(prefs.get("password"), equals(password));
   });
+
+  group('TimeOfDay', () {
+    TimeOfDay time1 = const TimeOfDay(hour: 4, minute: 20);
+    TimeOfDay time2 = const TimeOfDay(hour: 6, minute: 09);
+    test('is lesser', () => {expect(time1 < time2, true)});
+    test('is lesser or equal', () => {expect(time1 <= time1, true)});
+    test('is greater', () => {expect(time2 > time1, true)});
+  });
+
+  group('DateTime', () {
+    DateTime parsed = DateTimeExtension.parseTime("4:20");
+    test(
+        'parseTime', () => {expect(parsed.hour, 4), expect(parsed.minute, 20)});
+  });
 }
 
 class LocalizationsInj extends StatelessWidget {