[patch 2/2]ntdll/tests: Add tests for _allshl and _allshr.

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=116914

Your paranoid android.


=== w864 (64 bit report) ===

ntdll:
0bc0:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064v1507 (64 bit report) ===

ntdll:
0d94:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064v1809 (64 bit report) ===

ntdll:
1df4:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064 (64 bit report) ===

ntdll:
1df4:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064_2qxl (64 bit report) ===

ntdll:
1e84:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064_adm (64 bit report) ===

ntdll:
1bd8:large_int: unhandled exception c0000005 at 0000000000000000

=== w1064_tsign (64 bit report) ===

ntdll:
0ee8:large_int: unhandled exception c0000005 at 0000000000000000

=== w10pro64 (64 bit report) ===

ntdll:
1d6c:large_int: unhandled exception c0000005 at 0000000000000000

=== w10pro64_en_AE_u8 (64 bit report) ===

ntdll:
1d90:large_int: unhandled exception c0000005 at 0000000000000000

=== w10pro64_ar (64 bit report) ===

ntdll:
0d88:large_int: unhandled exception c0000005 at 0000000000000000

=== w10pro64_ja (64 bit report) ===

ntdll:
1430:large_int: unhandled exception c0000005 at 0000000000000000

=== w10pro64_zh_CN (64 bit report) ===

ntdll:
2074:large_int: unhandled exception c0000005 at 0000000000000000

=== debian11 (64 bit WoW report) ===

ntdll:
Unhandled exception: page fault on execute access to 0x0000000000000000 in 64-bit code (0000000000000000).