public function test_it_can_remove_a_group_in_a_group() { $group1 = new PermissionGroup(); $this->group->addGroup($group1); $groups = $this->group->getAllGroups(); $this->assertEquals($groups[$group1->getId()], $group1); $this->group->removeGroup($group1); $groups = $this->group->getAllGroups(); $this->assertFalse(isset($groups[$group1->getId()])); }