diff --git a/test/run.py b/test/run.py
index e64c1db1..c61b2767 100755
--- a/test/run.py
+++ b/test/run.py
@@ -10,7 +10,6 @@ import functions
 
 #functions.set_debug_function(functions.debug.print_to_stdout)
 
-
 def completion_test(source):
     """
     This is the completion test for some cases. The tests are not unit test
@@ -63,6 +62,7 @@ def completion_test(source):
 # completion tests:
 completion_test_dir = 'completion'
 summary = []
+tests_pass = True
 for f_name in os.listdir(completion_test_dir):
     if len(sys.argv) == 1 or [a for a in sys.argv[1:] if a in f_name]:
         if f_name.endswith(".py"):
@@ -70,9 +70,13 @@ for f_name in os.listdir(completion_test_dir):
             f = open(path)
             num_tests, fails = completion_test(f.read())
             s = 'run %s tests with %s fails (%s)' % (num_tests, fails, f_name)
+            if fails:
+                tests_pass = False
             print s
             summary.append(s)
 
 print '\nSummary:'
 for s in summary:
     print s
+exit_code = 0 if tests_pass else 1
+sys.exit(exit_code)