[user32] add a dde test for OEM CP

[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
https://testbot.winehq.org/JobDetails.pl?Key=7029

Your paranoid android.


=== w2000pro (32 bit dde) ===
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 513
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 513
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 6
dde.c:1820: Test failed: DdeQueryStringA returned wrong string String
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 6
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== wxppro (32 bit dde) ===
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 513
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 513
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1820: Test failed: DdeQueryStringA returned wrong string ?"
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== wvistau64 (32 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== w2008s64 (32 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== w7u (32 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== w8 (32 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== wvistau64 (64 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom

=== w2008s64 (64 bit dde) ===
dde.c:1790: Test failed: DdeCreateStringHandleW failed with error 00004006
dde.c:1797: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1807: Test failed: DdeQueryStringW returned wrong length 1
dde.c:1808: Test failed: DdeQueryStringW returned wrong string
dde.c:1819: Test failed: DdeQueryStringA returned wrong length 1
dde.c:1820: Test failed: DdeQueryStringA returned wrong string 
dde.c:1831: Test failed: DdeQueryStringA returned wrong length 2
dde.c:1832: Test failed: DdeQueryStringW returned wrong string
dde.c:1849: Test failed: Expected a valid atom