Decrease test_count to 1290 in tempest_full
Decrease test_count to 1290 in tempest_full

http://artifacts.opnfv.org/functest/2Y4502QRM7YM/functest-opnfv-functest-smoke-cntt-latest-tempest_full-run-16/tempest_full/tempest.log

Change-Id: Ifa1ae117db7dff6471ab557d6f7f3bf03940de76
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,opnfv/functest