many failed tests on branch stable on VM's

[bigbes]

on branch stable,

VM centos-i386:
[buildslave@centos-i386 test]$ ./test-run.py --force | grep fail
Test failed: strcmp(str, strbuf) == 0 is false at /home/buildslave/temp/tarantool/test/unit/base64.c:22, in function 'base64_test'
unit/base64.test [ fail ]
memcached/flush-all.test [ fail ]
memcached/noreply.test [ fail ]
box/session.test [ fail ]
box/socket.test [ fail ]
box/lua.test [ fail ]

VM fedora18-amd64:
[buildslave@localhost test]$ ./test-run.py --mem --force | grep fail
memcached/flush-all.test [ fail ]
box/socket.test [ fail ]

VM FreeBSD-i386:
unit/base64.test [ fail ]
box/lua.test [ fail ]
box/session.test Traceback (most recent call last):
  File "/usr/home/buildslave/tarantool/test/lib/test_suite.py", line 127, in run
    execfile(self.name, dict(locals(), **server.__dict__))
  File "box/session.test", line 27, in <module>
    exec admin "lua type(box.session.on_disconnect(function() error('hear') end))"
  File "/usr/home/buildslave/tarantool/test/lib/tarantool_connection.py", line 69, in execute
    return self.execute_no_reconnect(command, silent)
  File "/usr/home/buildslave/tarantool/test/lib/admin_connection.py", line 42, in execute_no_reconnect
    buf = self.socket.recv(bufsiz)
error: [Errno 54] Connection reset by peer
[ fail ]
and hangs on box/socket.test .

[bigbes (bigbes)]

base64 test: on FreeBSD it fails on second string: "a", but on CentOS it fails on "\001\002\003\004\005\006\253\254\255".