Google\Cloud\Tests\Logging\LoggingClientTest::testGetsMetricsWithNoResults PHP Method

    public function testGetsMetricsWithNoResults()
    {
        $this->connection->listMetrics(Argument::any())->willReturn([])->shouldBeCalledTimes(1);
        $this->client->setConnection($this->connection->reveal());
        $metrics = iterator_to_array($this->client->metrics());
        $this->assertEmpty($metrics);
    }