diff --git a/rowers/tests/test_emails.py b/rowers/tests/test_emails.py
index 7ba6bff8..b2d6bb87 100644
--- a/rowers/tests/test_emails.py
+++ b/rowers/tests/test_emails.py
@@ -104,13 +104,13 @@ workout bikeerg
         a.save()
 
     def tearDown(self):
-        for filename in os.listdir('media/mailbox_attachments'):
-            path = os.path.join('media/mailbox_attachments/',filename)
-            if not os.path.isdir(path):
-                try:
-                    os.remove(path)
-                except (IOError,FileNotFoundError,OSError):
-                    pass
+        filename = 'colin3.csv'
+        path = os.path.join('media/mailbox_attachments/',filename)
+        if not os.path.isdir(path):
+            try:
+                os.remove(path)
+            except (IOError,FileNotFoundError,OSError):
+                pass
 
     @patch('rowers.dataprep.create_engine')
     @patch('rowers.polarstuff.get_polar_notifications')
@@ -159,19 +159,19 @@ class EmailBikeUpload(TestCase):
 workout bike
                     """)
         m.save()
-        a2 = 'media/mailbox_attachments/colin3.csv'
+        a2 = 'media/mailbox_attachments/colin4.csv'
         copy('rowers/tests/testdata/emails/colin.csv',a2)
         a = MessageAttachment(message=m,document=a2[6:])
         a.save()
 
     def tearDown(self):
-        for filename in os.listdir('media/mailbox_attachments'):
-            path = os.path.join('media/mailbox_attachments/',filename)
-            if not os.path.isdir(path):
-                try:
-                    os.remove(path)
-                except (IOError,FileNotFoundError,OSError):
-                    pass
+        filename = 'colin4.csv'
+        path = os.path.join('media/mailbox_attachments/',filename)
+        if not os.path.isdir(path):
+            try:
+                os.remove(path)
+            except (IOError,FileNotFoundError,OSError):
+                pass
 
     @patch('rowers.dataprep.create_engine')
     @patch('rowers.polarstuff.get_polar_notifications')