Fix virtwho UI cases failed for _GeneratorContextManager object has n…

…o attribute virtwho_configure (SatelliteQE#13981)

* Fix virtwho UI cases failed for _GeneratorContextManager object has no attribute virtwho_configure

* pre-check

tests/foreman/virtwho/conftest.py

@@ -49,7 +49,10 @@ def test_foo(session):
                 # your ui test steps here
                 session.architecture.create({'name': 'bar'})
     """
-    return module_target_sat.ui_session(test_name, module_user.login, module_user.password)
+    with module_target_sat.ui_session(
+        test_name, module_user.login, module_user.password
+    ) as session:
+        return session
 
 
 @pytest.fixture(scope='module')
@@ -96,4 +99,7 @@ def test_foo(session):
                 # your ui test steps here
                 session.architecture.create({'name': 'bar'})
     """
-    return module_target_sat.ui_session(test_name, module_user_sca.login, module_user_sca.password)
+    with module_target_sat.ui_session(
+        test_name, module_user_sca.login, module_user_sca.password
+    ) as session_sca:
+        return session_sca