Also run pkg testing with optimization counter thresshold 5

tools/bots/pub.py

Index: tools/bots/pub.py
===================================================================
--- tools/bots/pub.py	(revision 36416)
+++ tools/bots/pub.py	(working copy)
@@ -48,14 +48,16 @@
     common_args.append('--builder-tag=%s' % build_info.builder_tag)
 
 
-  # Pub tests currently have a lot of timeouts when run in debug mode.
-  # See issue 18479
-  if build_info.mode == 'release':
-    bot.RunTest('pub', build_info,
-                common_args + ['pub', 'pkg', 'docs'])
-  else:
-    bot.RunTest('pub', build_info,
-                common_args + ['pkg', 'docs'])
+  testing_options = ['', '--vm-options=--optimization-counter-threshold=5']
+  for options in testing_options:
+    if build_info.mode == 'release':
+      bot.RunTest('pub and pkg %s' % options, build_info,
+                  common_args + [options, 'pub', 'pkg', 'docs'])
+    else:
+      # Pub tests currently have a lot of timeouts when run in debug mode.
+      # See issue 18479
+      bot.RunTest('pub and pkg %s' % options, build_info,
+                  common_args + [options, 'pkg', 'docs'])
 
   if build_info.mode == 'release':
     pkgbuild_build_info = bot.BuildInfo('none', 'vm', build_info.mode,