public function testSetRole()
{
$this->workflows->expects($this->once())->method('create')->with('update_site_user_membership', ['params' => ['user_id' => '234', 'role' => 'testrole']])->willReturn($this->workflow);
$out = $this->site_user->setRole('testrole');
$this->assertEquals($this->workflow, $out);
}