tests: add pr_pair to ssa_tests.spec.in

Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>
remove ssaaccesslayer.spec from .gitignore

 The file match to *spec pattern. We don't need a special pattern for it.

Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>