CA-138452: [UnitTest] Tests for cleanup.SR.lock
CA-138452: [UnitTest] Tests for cleanup.SR.lock

Signed-off-by: Mate Lakat <mate.lakat@citrix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@citrix.com>
Imported-by: Thanos Makatos <thanos.makatos@citrix.com>

(cherry picked from commit 5423e46446d8613fe8e0861a73706934c869cbd7)

xapi-project/sm,martinjorge/sm,malcolmcrossley/sm,chandrikas/sm,martinjorge/sm,BobBall/sm,pritha-srivastava/sm,geosharath/sm,robertbreker/sm,germanop/sm,chandrikas/sm,geosharath/sm,BobBall/sm,robertbreker/sm,germanop/sm,djs55/sm,malcolmcrossley/sm,kostaslamda/sm,siddharthv/sm,pritha-srivastava/sm,BobBall/sm,robertbreker/sm,kostaslamda/sm,germanop/sm,djs55/sm,djs55/sm,xapi-project/sm,martinjorge/sm,geosharath/sm,pritha-srivastava/sm,kostaslamda/sm,chandrikas/sm,siddharthv/sm,malcolmcrossley/sm,xapi-project/sm,siddharthv/sm