s3tests: add regression test for bug #10311 - rgw: Object is deleted automatically if conditional PUT returns 412
s3tests: add regression test for bug #10311 - rgw: Object is deleted automatically if conditional PUT returns 412

Test for bug #10311

Signed-off-by: Ray Lv <9ad6991d34ba97254061e1267f9fbd80456e5918@yahoo-inc.com>

ceph/s3-tests,robbat2/s3-tests,smithfarm/s3-tests,ceph/s3-tests,dreamhost/s3-tests,timuralp/s3-tests,jmunhoz/s3-tests,andrewgaul/s3-tests,smithfarm/s3-tests,jmunhoz/s3-tests,robbat2/s3-tests,tobegit3hub/s3-tests,andrewgaul/s3-tests,Intel-bigdata/s3-tests,dreamhost/s3-tests,tobegit3hub/s3-tests,timuralp/s3-tests,Intel-bigdata/s3-tests