Annotation for missing test & method

lib/data/dao/player_group_dao.dart

@@ -10,6 +10,9 @@ class PlayerGroupDao extends DatabaseAccessor<AppDatabase>
     with _$PlayerGroupDaoMixin {
   PlayerGroupDao(super.db);
 
+  /// No need for a groupHasPlayers method since the members attribute is
+  /// not nullable
+
   /// Adds a [player] to a group with the given [groupId].
   /// If the player is already in the group, no action is taken.
   /// If the player does not exist in the player table, they are added.

test/db_tests/group_game_test.dart

@@ -104,7 +104,25 @@ void main() {
       expect(result.group, null);
     });
 
-    // TODO: test getGroupOfGame()
+    test('Retrieving group of a game works correctly', () async {
-    test('Retrieving group of a game works correctly', () async {});
+      await database.gameDao.addGame(game: gameWithGroup);
+      final group = await database.groupGameDao.getGroupOfGame(
+        gameId: gameWithGroup.id,
+      );
+
+      if (group == null) {
+        fail('Group should not be null');
+      }
+
+      expect(group.id, testgroup.id);
+      expect(group.name, testgroup.name);
+      expect(group.createdAt, testgroup.createdAt);
+      expect(group.members.length, testgroup.members.length);
+      for (int i = 0; i < group.members.length; i++) {
+        expect(group.members[i].id, testgroup.members[i].id);
+        expect(group.members[i].name, testgroup.members[i].name);
+        expect(group.members[i].createdAt, testgroup.members[i].createdAt);
+      }
+    });
   });
 }

test/db_tests/player_game_test.dart

@@ -110,9 +110,9 @@ void main() {
       expect(removed, true);
 
       final result = await database.gameDao.getGameById(
-        gameId: testgameWithGroup.id,
+        gameId: testgameWithPlayers.id,
       );
-      expect(result.players!.length, testgameWithGroup.players!.length - 1);
+      expect(result.players!.length, testgameWithPlayers.players!.length - 1);
 
       final playerExists = result.players!.any(
         (p) => p.id == playerToRemove.id,

test/db_tests/player_group_test.dart

@@ -41,6 +41,9 @@ void main() {
   });
 
   group('Player-Group Tests', () {
+    /// No need to test if group has players since the members attribute is
+    /// not nullable
+
     test('Adding a player to a group works correctly', () async {
       await database.groupDao.addGroup(group: testgroup);
       await database.playerDao.addPlayer(player: player4);