public File getRemoteServerDirectory() {
		return remoteServerDirectory;
	}
A fixture that helps testing the ftp source. Creates a local FTP server and exposes a file
directory where files to be picked up can be added.

@author Eric Bottard
@author Franck Marchand
@author David Turanski
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/FtpSource.java