[WIN32U_APITEST] Rename test to win32u_apitest for naming consistency

modules/rostests/apitests/CMakeLists.txt

···
 add_subdirectory(uxtheme)
 add_subdirectory(version)
 if(NOT CMAKE_BUILD_TYPE STREQUAL "Release")
-    add_subdirectory(win32nt)
+    add_subdirectory(win32u)
 endif()
 add_subdirectory(winhttp)
 add_subdirectory(wininet)

modules/rostests/apitests/win32nt/CMakeLists.txt modules/rostests/apitests/win32u/CMakeLists.txt

···
 list(APPEND PCH_SKIP_SOURCE
     testlist.c)
 
-add_executable(win32knt_apitest
+add_executable(win32u_apitest
     ${SOURCE}
     ${PCH_SKIP_SOURCE}
     dlihook.c
     win32knt.rc)
 
-target_link_libraries(win32knt_apitest ${PSEH_LIB} gditools)
-set_module_type(win32knt_apitest win32cui)
-add_importlibs(win32knt_apitest
+target_link_libraries(win32u_apitest ${PSEH_LIB} gditools)
+set_module_type(win32u_apitest win32cui)
+add_importlibs(win32u_apitest
     gdi32
     user32
     shell32
···
     msvcrt
     kernel32
     ntdll)
-add_delay_importlibs(win32knt_apitest win32u imm32)
-add_dependencies(win32knt_apitest xdk)
-add_pch(win32knt_apitest win32nt.h "${PCH_SKIP_SOURCE}")
-add_rostests_file(TARGET win32knt_apitest)
+add_delay_importlibs(win32u_apitest win32u imm32)
+add_dependencies(win32u_apitest xdk)
+add_pch(win32u_apitest win32nt.h "${PCH_SKIP_SOURCE}")
+add_rostests_file(TARGET win32u_apitest)