fix test_service tests

Author: ljiang1

tests/test_service.py

@@ -163,7 +163,7 @@ def test_server_info_without_login(self):
         service = self._create_unauthenticated_service()
         # Should succeed without AuthenticationError
         service.info['version']
-    
+
     def _create_unauthenticated_service(self):
         return Service(**{
             'host': self.opts.kwargs['host'],
@@ -177,6 +177,7 @@ def setUp(self):
         self.opts = testlib.parse([], {}, ".splunkrc")
         self.service = client.Service(**self.opts.kwargs)
 
+        self.service.login();
         # Skip these tests if running below Splunk 6.2, cookie-auth didn't exist before
         splver = self.service.splunk_version
         # TODO: Workaround the fact that skipTest is not defined by unittest2.TestCase