pugixml problem on msw and load_file

[antonvw]

giving error during testing: xml parse result:File was not found, see appveyor
or use log_none for these msw del tests

[antonvw]

This is the output:
c:\Users\Anton\wex\build>test\del\Release\wex-test-del.exe
[doctest] doctest version is "2.4.9"
[doctest] run with "--help" for options
2023-03-29 12:42:24.886276 [error] xml parse result:File was not found at offset: 0 "test-del"
2023-03-29 12:42:25.014353 [error] xml parse result:File was not found at offset: 0 "test-del"
2023-03-29 12:42:25.137862 [error] xml parse result:File was not found at offset: 0 "test-del"
2023-03-29 12:42:25.158303 [error] xml parse result:File was not found at offset: 0 "test-del"
2023-03-29 12:42:25.245580 [error] xml parse result:File was not found at offset: 0 "test-del"

[doctest] test cases: 10 | 10 passed | 0 failed | 0 skipped
[doctest] assertions: 77 | 77 passed | 0 failed |
[doctest] Status: SUCCESS!

c:\Users\Anton\wex\build>

But parsing itself seems ok