Add new ssh options changes into more tests

dulwich/tests/test_client.py

@@ -631,7 +631,8 @@ class TestSSHVendor(object):
         self.username = None
         self.port = None
 
-    def run_command(self, host, command, username=None, port=None):
+    def run_command(self, host, command, username=None, port=None,
+		    password=None, key_filename=None):
         self.host = host
         self.command = command
         self.username = username