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

    public function testAllocateIds()
    {
        $this->operation->allocateIds(Argument::type('array'), Argument::type('array'))->shouldBeCalled()->willReturn([]);
        $this->datastore->setOperation($this->operation->reveal());
        $key = $this->prophesize(Key::class);
        $keys = [$key->reveal(), $key->reveal()];
        $res = $this->datastore->allocateIds($keys);
        $this->assertTrue(is_array($res));
    }