public function testReturnsMetadata()
{
$s = new Service(function () {
}, '', '');
$this->assertSame([], $s->getMetadata());
$s['metadata'] = ['serviceFullName' => 'foo', 'endpointPrefix' => 'bar', 'apiVersion' => 'baz'];
$this->assertEquals('foo', $s->getMetadata('serviceFullName'));
$this->assertNull($s->getMetadata('baz'));
}
