Remove unused variables in tests

This commit removes or marks unused variables as "expected to be unused"
by using '_' prefix.

Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

ipatests/test_integration/env_config.py

@@ -279,7 +279,7 @@ def domain_from_env(env, config, index, domain_type):
     env_suffix = '_env%s' % index
 
     master_env = '%s%s' % (master_role, env_suffix)
-    hostname, dot, domain_name = env[master_env].partition('.')
+    hostname, _dot, domain_name = env[master_env].partition('.')
     domain = Domain(config, domain_name, domain_type)
 
     for role in _roles_from_env(domain, env, env_suffix):

ipatests/test_integration/test_testconfig.py

@@ -420,7 +420,7 @@ class TestComplexConfig(CheckConfig):
     def check_config(self, conf):
         assert len(conf.domains) == 3
         main_dom = conf.domains[0]
-        (client1, client2, extra, extram1, extram2, master,
+        (client1, client2, extra, extram1, extram2, _master,
          replica1, replica2) = sorted(main_dom.hosts, key=lambda h: h.role)
         assert main_dom.name == 'ipadomain.test'
         assert main_dom.type == 'IPA'

ipatests/test_integration/test_topology.py

@@ -188,9 +188,8 @@ class TestTopologyOptions(IntegrationTest):
         returncode, error = tasks.destroy_segment(self.master, "%s-to-%s" % replicas)
         assert returncode != 0, error1
         assert error.count(text) == 1, error2 % error
-        newseg, err = tasks.create_segment(self.master,
-                                           self.master,
-                                           self.replicas[1])
+        _newseg, err = tasks.create_segment(
+            self.master, self.master, self.replicas[1])
         assert err == "", err
         returncode, error = tasks.destroy_segment(self.master, "%s-to-%s" % replicas)
         assert returncode == 0, error