private function testDeleteButton(\FunctionalTester $I)
{
IndexPage::openBy($I);
$I->see(\Activity::$activityName, IndexPage::$activityNameSelector);
$I->seeRecord('app\\models\\ProjectActivity', ['activityID' => \Activity::$id]);
// Can't click the link because it needs to be submitted as a POST request. The
// test clicker doesn't support handling links like that, but clicking works in
// the browser.
$I->sendAjaxPostRequest(IndexPage::getDeleteLink(\Activity::$id));
IndexPage::openBy($I);
$I->dontSee(\Activity::$activityName, IndexPage::$activityNameSelector);
$I->dontSeeRecord('app\\models\\ProjectActivity', ['activityID' => \Activity::$id]);
}
