Google\Cloud\Tests\Datastore\KeyTest::testSetLastElementIdentifier PHP Method

    public function testSetLastElementIdentifier()
    {
        $key = new Key('foo', ['path' => [['kind' => 'foo', 'id' => 2], ['kind' => 'foo']]]);
        $key->setLastElementIdentifier(1);
        $this->assertEquals($key->path(), [['kind' => 'foo', 'id' => 2], ['kind' => 'foo', 'id' => 1]]);
    }