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

    public function testKeyNamespaceId()
    {
        $key = $this->datastore->key('Foo', 'Bar', ['namespaceId' => 'MyApp']);
        $this->assertEquals($key->keyObject()['partitionId'], ['projectId' => 'foo', 'namespaceId' => 'MyApp']);
    }