these tests are passing now

I think they were timing out before

test/tests/relative_import4.py

-# expected: reffail
 import relative_import4_pkg

test/tests/reprtest.py

-# expected: reffail
 a=1
 try:
     a.b

test/tests/sre_compile_test.py

-# expected: reffail
 import sre_compile
 import sre_constants
 

test/tests/str_encode_decode.py

-# expected: reffail
 def test(string, encoding):
  s = string.encode(encoding)
  print encoding, s