Finnished the uint test for Confirm_user_backup()

* This unit test was mostly done we just needed to account for the
  user input and now it does that and it passes

convert2rhel/unit_tests/main_test.py

@@ -810,14 +810,18 @@ def test_handle_inhibitors_found_exception(monkeypatch, rollback_failures, retur
     assert ret == return_code
 
 
-def test_confirm_user_backup(caplog):
+@pytest.mark.parametrize("user_input", ["y", "n"])
+def test_confirm_user_backup(caplog, monkeypatch, user_input):
     message = (
         "Convert2RHEL modifies the systems during the analysis and then rolls back these "
         "changes when the analysis is complete. In rare cases, this rollback can fail. "
         "By continuing, you confirm that you have made a system backup and verified that "
         "you can restore from the backup."
     )
 
+    # Simulate user input
+    monkeypatch.setattr("builtins.input", lambda _: user_input)
+
     main.confirm_user_backup()
 
     assert message in caplog.text