The function must either return ACCESS_GRANTED, ACCESS_ABSTAIN or ACCESS_DENIED.
public function testVoteAccessDenied() { $user = new UserMock(); $user->populate("test", "test", [new Role('ROLE_MOCK')], true); $voter = new RoleVoter(); $this->assertSame(RoleVoter::ACCESS_DENIED, $voter->vote($user, [new Role('ROLE_ADMIN')])); }