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It conforms with "Use functest repo variable" [1]

[1] https://gerrit.opnfv.org/gerrit/#/c/52513/

Change-Id: I09b438d784fbeb5e3686b441e6944c87c0f88382
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,mywulin/functest,opnfv/functest,mywulin/functest