Update 13 May 2011 :
For versions: ESS / EAV : Valid until: 2011-08-17
Username : EAV-45073543
Password : d8cbxnxef8
Username : EAV-45073544
Password : rejfxfxm7n
Username : EAV-45073545
Password : x4jdsb8b8h
Username : EAV-45074413
Password : 5mjrf4udbf
Username : EAV-45074440
Password : e4tjj3aa3b
Username : EAV-45074443
Password : xx4kcmk7rk
Username : EAV-45074444
Password : b5asbekdh3
Username : EAV-45074445
Password : nbhxb8kk8f
Username : EAV-45074446
Password : hsan6av4hu
Username : EAV-45074448
Password : pfaj257sjp
Username : EAV-45075148
Password : 5av55xc3ms
Username : EAV-45075167
Password : fj24nmtkhm
For versions: EAV : Valid until: 2011-11-20
Username : EAV-45315995
Password : 57xmm7s7d2
Username : EAV-45316697
Password : p8e75j3m8x
Username : EAV-45316748
Password : 5b8bppvhah
Username : EAV-45166457
Password : te8fn26kxc
Username : EAV-45167300
Password : hujdtbhkhj
Username : EAV-45169818
Password : fjvd8hkxdp

If the one of the username and password is invalid, try with the second one.