Resolve "Initial Publish uptime of CS instance to IS"

Closes #22 (closed)

Script/UnitTests/FunctionalTests/ERS_Test.py

@@ -66,7 +66,7 @@ class TestERStoSTDOUT(unittest.TestCase):
     def tearDownClass(self):
         self.output.close()
         ## remove directories and files
-        shutil.rmtree(self.dirs["tmp"])
+        shutil.rmtree(self.dirs["tmp"], ignore_errors=True)
 
 
     ## Test cases: