kernel32: Add some tests for PEB and loader locks.

[Marvin]

Hi,

While running your changed tests on Windows, 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
http://testbot.winehq.org/JobDetails.pl?Key=25367

Your paranoid android.


=== TEST64_W7SP1 (32 bit loader) ===
loader.c:1952: Test failed: WaitForSingleObject failed: 102
loader.c:1954: Test failed: expected exit code 199, got 259
loader.c:1963: Test failed: WaitForSingleObject failed: 102
loader.c:1968: Test failed: expected 198, got 259
loader.c:1972: Test failed: expected STATUS_PROCESS_IS_TERMINATING, got 0
loader.c:2018: Test failed: expected ERROR_ACCESS_DENIED, got 487
loader.c:2028: Test failed: VirtualFreeEx should fail
loader.c:2029: Test failed: expected ERROR_ACCESS_DENIED, got -559038737
loader.c:2032: Test failed: VirtualAllocEx should fail
loader.c:2033: Test failed: expected ERROR_ACCESS_DENIED, got -559038737
loader.c:2042: Test failed: expected STATUS_PROCESS_IS_TERMINATING, got 0