fix(tests): added ability for test to get an up-to-date version mercurial.

rhodecode/tests/vcs_operations/test_vcs_operations_bad_client.py

@@ -21,6 +21,7 Test suite for making push/pull operatio
 """
 
 import pytest
+from importlib.metadata import version
 
 from rhodecode.model.meta import Session
 from rhodecode.model.settings import SettingsModel
@@ -65,7 +66,8 class TestVCSOperationsOnUsingBadClient(
         # push fails repo is locked by other user !
         push_url = rcstack.repo_clone_url(HG_REPO)
         stdout, stderr = _add_files_and_push("hg", tmpdir.strpath, clone_url=push_url)
-        msg = "Your hg client (version=mercurial/proto-1.0 (Mercurial 6.7.4)) is forbidden by security rules"
+        current_version = version('mercurial')
+        msg = f"Your hg client (version=mercurial/proto-1.0 (Mercurial {current_version})) is forbidden by security rules"
         assert msg in stderr
 
     def test_push_with_bad_client_repo_by_other_user_git(self, rcstack, tmpdir):