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

    public function testPathElement()
    {
        $key = new Key('foo');
        $this->assertEmpty($key->keyObject()['path']);
        $key->pathElement('foo', 'bar');
        $this->assertEquals(1, count($key->keyObject()['path']));
        $this->assertEquals(['kind' => 'foo', 'name' => 'bar'], $key->keyObject()['path'][0]);
    }