public function test_empty_author() {
    $my_author_id = $this->make_user_by_role( 'author' );

    $post   = array( 'title' => 'Test' );
    $result = $this->myxmlrpcserver->mw_newPost( array( 1, 'author', 'author', $post ) );
    $this->assertNotIXRError( $result );
    $this->assertStringMatchesFormat( '%d', $result );

    $out = get_post( $result );
    $this->assertEquals( $my_author_id, $out->post_author );
    $this->assertSame( 'Test', $out->post_title );
  }