check_once_cc_context_get_change_time
check_once_cc_context_get_change_time(context, &last_time, ccNoError, "after changing a principle");
check_once_cc_context_get_change_time(context, &last_time, ccNoError, "after removing a credential");
err = check_once_cc_context_get_change_time(context, NULL, ccErrBadParam, "NULL param, should fail");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "first-run, should be > 0");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after creating a new ccache");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after storing a credential");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after changing a principle");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after removing a credential");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after changing default ccache");
check_once_cc_context_get_change_time(context, &last_change_time, ccNoError, "after destroying a ccache");
cc_int32 check_once_cc_context_get_change_time(cc_context_t context, cc_time_t *time, cc_int32 expected_err, const char *description);