Add test parameters for ls example
Add test parameters for ls example

Signed-off-by: Filip Navara <9b185aee7645c223a53be9a22ba0c35ad732e79f@gmail.com>

mcuadros/go-git,go-git/go-git,go-git/go-git,src-d/go-git,src-d/go-git,mcuadros/go-git