Google\Cloud\Tests\Datastore\DatastoreClientTest::testAllocateId PHP Method

    public function testAllocateId()
    {
        $datastore = new DatastoreClientStubNoService();
        $key = $datastore->key('Person');
        $key = $datastore->allocateId($key);
        $this->assertInstanceOf(Key::class, $key);
        $this->assertTrue($datastore->didCallAllocateIds);
    }