public function testApiCreateFile_CreatesPrivateFile_WhenVisibilityFlagSetToPrivate()
{
$test = $this->getTest();
$fs = $this->createFilesystem();
$dest = $this->getPrefixed('NULL');
$text = 'FILE_A_NEW_TEXT';
$test->assertFalse($fs->exists($dest));
$fs->createFile($dest, $text, Filesystem::VISIBILITY_PRIVATE);
$test->assertTrue($fs->exists($dest));
$test->assertSame($text, $fs->read($dest));
$test->assertTrue($fs->isPrivate($dest));
}