1 files changed, 1 insertions, 0 deletions
diff --git a/tests/test_run.py b/tests/test_run.py
index ce470bb..6346ced 100755
--- a/tests/test_run.py
+++ b/tests/test_run.py
@@ -84,6 +84,7 @@ class RunUnicodeFuncTestCase(RunFuncTestCase):
                 return True  # Stop the child process
 
         output = pexpect.runu(sys.executable + ' echo_w_prompt.py',
+                              env={'PYTHONIOENCODING':'utf-8'},
                               events={pattern:callback})
         assert isinstance(output, unicode_type), type(output)
         assert '<out>'+c in output, output