6 files changed, 15 insertions, 4 deletions
diff --git a/tests/test_auth.py b/tests/test_auth.py
index c619dc33..4eade610 100644
--- a/tests/test_auth.py
+++ b/tests/test_auth.py
@@ -33,7 +33,7 @@ from paramiko import AUTH_FAILED, AUTH_PARTIALLY_SUCCESSFUL, AUTH_SUCCESSFUL
 from paramiko.py3compat import u
 
 from .loop import LoopSocket
-from .util import _support
+from .util import _support, slow
 
 
 _pwd = u('\u2022')
@@ -240,6 +240,7 @@ class AuthTest (unittest.TestCase):
             etype, evalue, etb = sys.exc_info()
             self.assertTrue(issubclass(etype, AuthenticationException))
 
+    @slow
     def test_9_auth_non_responsive(self):
         """
         verify that authentication times out if server takes to long to
diff --git a/tests/test_client.py b/tests/test_client.py
index fd662604..0483cf6f 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -38,7 +38,7 @@ from paramiko.pkey import PublicBlob
 from paramiko.common import PY2
 from paramiko.ssh_exception import SSHException, AuthenticationException
 
-from .util import _support
+from .util import _support, slow
 
 
 requires_gss_auth = unittest.skipUnless(
@@ -443,6 +443,7 @@ class SSHClientTest (unittest.TestCase):
         )
         self._test_connection(**kwargs)
 
+    @slow
     def test_9_auth_timeout(self):
         """
         verify that the SSHClient has a configurable auth timeout
diff --git a/tests/test_sftp.py b/tests/test_sftp.py
index 57b5bc97..09a50453 100644
--- a/tests/test_sftp.py
+++ b/tests/test_sftp.py
@@ -42,7 +42,7 @@ from paramiko.sftp_attr import SFTPAttributes
 
 from .util import needs_builtin
 from .stub_sftp import StubServer, StubSFTPServer
-from .util import _support
+from .util import _support, slow
 
 
 ARTICLE = '''
@@ -88,6 +88,7 @@ unicode_folder = u'\u00fcnic\u00f8de' if PY2 else '\u00fcnic\u00f8de'
 utf8_folder = b'/\xc3\xbcnic\xc3\xb8\x64\x65'
 
 
+@slow
 class TestSFTP(object):
     def test_1_file(self, sftp):
         """
diff --git a/tests/test_sftp_big.py b/tests/test_sftp_big.py
index e5708312..a659098d 100644
--- a/tests/test_sftp_big.py
+++ b/tests/test_sftp_big.py
@@ -32,7 +32,10 @@ import unittest
 
 from paramiko.common import o660
 
+from .util import slow
 
+
+@slow
 class TestBigSFTP(object):
     def test_1_lots_of_files(self, sftp):
         """
diff --git a/tests/test_transport.py b/tests/test_transport.py
index 46c26c0e..00639d04 100644
--- a/tests/test_transport.py
+++ b/tests/test_transport.py
@@ -44,7 +44,7 @@ from paramiko.common import (
 from paramiko.py3compat import bytes
 from paramiko.message import Message
 
-from .util import needs_builtin, _support
+from .util import needs_builtin, _support, slow
 from .loop import LoopSocket
 
 
@@ -246,6 +246,7 @@ class TransportTest(unittest.TestCase):
         self.tc.renegotiate_keys()
         self.ts.send_ignore(1024)
 
+    @slow
     def test_5_keepalive(self):
         """
         verify that the keepalive will be sent.
@@ -809,6 +810,7 @@ class TransportTest(unittest.TestCase):
                              (2**32, MAX_WINDOW_SIZE)]:
             self.assertEqual(self.tc._sanitize_window_size(val), correct)
 
+    @slow
     def test_L_handshake_timeout(self):
         """
         verify that we can get a hanshake timeout.
diff --git a/tests/util.py b/tests/util.py
index 051a36ba..4ca02374 100644
--- a/tests/util.py
+++ b/tests/util.py
@@ -22,3 +22,6 @@ def needs_builtin(name):
     """
     reason = "Test requires a builtin '{}'".format(name)
     return pytest.mark.skipif(not hasattr(builtins, name), reason=reason)
+
+
+slow = pytest.mark.slow