Do not ask user to press Fail button if pixmap to texture test fails because GLX is older than 1.3.

client/deps/glbench/src/teartest.cc

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <gflags/gflags.h>
 #include <map>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
@@ skipping 197 matching lines @@
   test_map["pixmap_to_texture"] = GetPixmapToTextureTestEGL();
 #else
   test_map["pixmap_to_texture"] = GetPixmapToTextureTest();
 #endif
 
   SwapInterval(sleep_duration ? 0 : 1);
 
   std::vector<std::string> tests;
   SplitString(FLAGS_tests, ',', &tests);
 
+  int return_code = 0;
   for (std::vector<std::string>::iterator it = tests.begin();
        it != tests.end();
        it++)
   {
     Test* t = test_map[*it];
-    if (!t || !t->Start())
+    if (!t || !t->Start()) {
+      return_code = 1;
       continue;
+    }
 
     Bool got_event = False;
     uint64_t wait_until = GetUTime() + 1000000ULL * FLAGS_seconds_to_run;
     for (int x = 0;
          !got_event && GetUTime() < wait_until;
          x = (x + 4) % (2 * g_width))
     {
       const int shift = x < g_width ? x : 2 * g_width - x;
 
       t->Loop(shift);
@@ skipping 11 matching lines @@
                                     KeyPressMask, &event);
     }
 
     t->Stop();
   }
 
   // TODO: cleaner teardown.
 
   glDeleteTextures(1, &texture);
   DestroyContext();
-  return 0;
+  return return_code;
 }