安装DBD-Oracle-1.17，make test无法进行

无论把tnsname.ora中 改成IP还是hostname, 都出现错误，麻烦给个意见，谢谢：
PERL_DL_NONLAZY=1 /opt/tools/tools/perl/5.12.2/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/01base.t .............. ok
t/10general.t ........... DBI connect('','scott/tiger',...) failed: ORA-12545: Connect failed because target host or object does not exist (DBD ERROR: OCIServerAttach) at t/10general.t line 18
Undefined subroutine &main::BAILOUT called at t/10general.t line 21.
# Looks like your test exited with 255 before it could output anything.
t/10general.t ........... Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 33/33 subtests
t/15nls.t ............... DBI connect('','scott/tiger',...) failed: ORA-12545: Connect failed because target host or object does not exist (DBD ERROR: OCIServerAttach) at t/15nls.t line 19

make通过就直接安装
装好以后自己写脚本读一下数据库，我自己是从来不运行数据库模块的make test
环境变量没有设置，或是帐号没设置对，太多问题都会有影响了