public function testUpdate()
{
$snippet = $this->snippetFromMethod(Metric::class, 'update');
$snippet->addLocal('metric', $this->metric);
$this->connection->updateMetric(Argument::any(), Argument::any())->shouldBeCalled()->willReturn([]);
$this->connection->getMetric(Argument::any())->shouldBeCalled()->willReturn(['description' => 'Foo']);
$this->metric->setConnection($this->connection->reveal());
$snippet->invoke();
}