public function deleteADiscussion(FunctionalTester $I, UserSteps $userSteps)
{
$userId = $userSteps->amRegularUser();
$catId = $userSteps->haveCategory();
$postId = $userSteps->havePost(['title' => 'Is there a way to validate only some fields?', 'users_id' => $userId, 'categories_id' => $catId]);
$I->amOnPage("/discussion/{$postId}/abc");
$I->seeInTitle('Is there a way to validate only some fields? - Discussion');
$I->seeElement(['css' => 'a.btn-delete-post']);
$I->click(['css' => 'a.btn-delete-post']);
$I->see('Discussion was successfully deleted', '//body/div[1]/div/div/div');
}