diff --git a/qiita_client/tests/test_plugin.py b/qiita_client/tests/test_plugin.py
index 62e20a6..ab87f6b 100644
--- a/qiita_client/tests/test_plugin.py
+++ b/qiita_client/tests/test_plugin.py
@@ -13,11 +13,10 @@
 from json import dumps
 from tempfile import mkdtemp
 
-from qiita_client.testing import PluginTestCase
+from qiita_client.testing import PluginTestCase, URL
 from qiita_client import (QiitaPlugin, QiitaTypePlugin, QiitaCommand,
                           QiitaArtifactType, ArtifactInfo)
 
-URL = 'https://localhost:21174'
 
 class QiitaCommandTest(TestCase):
     def setUp(self):
@@ -169,7 +168,7 @@ def html_generator_func(a, b, c, d):
                                  validate_func, html_generator_func, atypes)
 
         # Generate the config file for the new plugin
-        tester.generate_config('ls', 'echo')
+        tester.generate_config('ls', 'echo', self.ca_cert)
         # Ask Qiita to reload the plugins
         self.qclient.post('/apitest/reload_plugins/')
 
@@ -213,7 +212,7 @@ def func(qclient, job_id, job_params, working_dir):
                              {'out1': 'Demultiplexed'})
         tester.register_command(a_cmd)
 
-        tester.generate_config('ls', 'echo')
+        tester.generate_config('ls', 'echo', self.ca_cert)
         self.qclient.post('/apitest/reload_plugins/')
         tester(URL, 'register', 'ignored')
 
diff --git a/qiita_client/tests/test_qiita_client.py b/qiita_client/tests/test_qiita_client.py
index f713d89..87178b0 100644
--- a/qiita_client/tests/test_qiita_client.py
+++ b/qiita_client/tests/test_qiita_client.py
@@ -7,7 +7,7 @@
 # -----------------------------------------------------------------------------
 
 from unittest import TestCase, main
-from os import remove, close, environ
+from os import remove, close
 from os.path import basename, exists
 from tempfile import mkstemp
 from json import dumps