kernel32: Log more information in case of a test failure, and don't run tests…

dlls/kernel32/tests/file.c

@@ -2217,7 +2217,9 @@ static void test_ReplaceFileA(void)
     /* make sure that the "replaced" file has the size of the replacement file */
     hReplacedFile = CreateFileA(replaced, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
     ok(hReplacedFile != INVALID_HANDLE_VALUE,
-        "failed to open replaced file\n");
+        "failed to open replaced file: %d\n", GetLastError());
+    if (hReplacedFile != INVALID_HANDLE_VALUE)
+    {
         ret = GetFileSize(hReplacedFile, NULL);
         ok(ret == sizeof(replacementData),
             "replaced file has wrong size %d\n", ret);
@@ -2238,6 +2240,9 @@ static void test_ReplaceFileA(void)
            ftReplaced.dwHighDateTime, ftReplaced.dwLowDateTime,
            ftReplacement.dwHighDateTime, ftReplacement.dwLowDateTime );
         CloseHandle(hReplacedFile);
+    }
+    else
+        skip("couldn't open replacement file, skipping tests\n");
 
     /* re-create replacement file for pass w/o backup (blank) */
     ret = GetTempFileNameA(temp_path, prefix, 0, replacement);