The kinit blackbox tests do not work reliably. Patch will follow.
This bug was referenced in samba master: 12d44773b5826b61724a067b529067e247b989b1 4fa89f3aeaedf4de09e2e6c629eb3f738ad77ed0 2ad6b6fe2e7a0bb0b14dd7d58ad890b3fef5250a 4f228c57f634885f23055a717b69b58a50415267 f9441ca26b17b149ec3f714a162d1811d9cc241a ff77e910bc2c2dc34882402c732e8d57dde6d422 d2bd1e34091b2fb4261578516b38db3dc1971206 62cfab55e6b3210238ee049d1768052edf24995c 9e949bc403b92c55c90128fd3917ad1700aaa4c3 41b4a2a25203e4693e9c74835db0b6bdeca7b129 7ed669ce90595726f03c7f5b914d29ed7d76eb2e 9e7de6dff6d25ca6c144b016ddd12f9ebf0a54e4 4ea94c8eaaccd9355fc67086ae44f62a26baabae f91f042c1d96cfc1e005a12b05a4caf99e37ca73 b6cf609e9fd618eac7af88522fd02709123de2a0 de8a0ee020699ec237dd4c8dbb04bf6cbe15a0d4 f18ca8a5c8b80756d47f9a3ac5167bfb31f48978 d9a9cb0396a819148b5e22154bee07dab1d1c0fa