@Override
	public String[] getAllUserNames() throws FtpException {
		return new String[] { "foo" };
	}
A dummy ftp user manager used by fixtures {@link FtpSink} and {@link FtpSource}

@author Franck Marchand
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/FtpDummyUserManager.java