Fix test harness to not break on aborts.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9706100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11072 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/test.py

@@ -686,8 +686,8 @@ SUFFIX = {
     'debug'   : '_g',
     'release' : '' }
 FLAGS = {
-    'debug'   : ['--enable-slow-asserts', '--debug-code', '--verify-heap'],
-    'release' : []}
+    'debug'   : ['--nobreak-on-abort', '--enable-slow-asserts', '--debug-code', '--verify-heap'],
+    'release' : ['--nobreak-on-abort']}
 TIMEOUT_SCALEFACTOR = {
     'debug'   : 4,
     'release' : 1 }