Isolates in frog - tweaks in existing js code to make things run

frog/presubmit.py

Index: frog/presubmit.py
diff --git a/frog/presubmit.py b/frog/presubmit.py
index 617fbef043c28ef818df510be8477f32038064df..e883156fba3496ac2f063720b82887637ed3947c 100755
--- a/frog/presubmit.py
+++ b/frog/presubmit.py
@@ -83,7 +83,7 @@ def main(args):
   if args[1:]:
     test_cmd.extend(args[1:])
   else:
-    test_cmd.extend(['language', 'corelib', 'leg', 'peg'])
+    test_cmd.extend(['language', 'corelib', 'leg', 'isolate', 'peg'])
   RunCommand(*test_cmd, verbose=True)
 
   leg_test_dir = os.path.join('leg', 'tests')