Revert "containerized tests: makes container names unique"

.. because it introduces Docker related timeout issues

This reverts commit 225a4ef337d072a38151904060ff1ec21de53fdb.

Change-Id: Id85b4589800fab07f369c9847186110a4f4d382c

tests/docker/test_docker.py

@@ -5,7 +5,6 @@
 
 # pylint: disable=redefined-outer-name
 
-import hashlib
 import logging
 import os
 from pathlib import Path
@@ -23,7 +22,6 @@
     package_name,
     prepare_package,
 )
-from tests.testlib.repo import repo_path
 from tests.testlib.version import CMKVersion, git_tag_exists, version_from_env
 
 from cmk.ccc.version import Edition, Version, versions_compatible
@@ -341,10 +339,7 @@ def test_container_agent(checkmk: CheckmkApp) -> None:
 )
 def test_update(client: docker.DockerClient) -> None:
     pkg_version = version_from_env()
-    # make hash of the current workspace/checkout path part of container name in order
-    # to avoid conflicts with running `test_update` instances on the same node
-    workspace_id = hashlib.sha256(repo_path().as_posix().encode("utf-8")).hexdigest()[:10]
-    container_name = f"{pkg_version.branch}-monitoring-{workspace_id}"
+    container_name = "%s-monitoring" % pkg_version.branch
 
     update_compatibility = versions_compatible(
         Version.from_str(old_version.version), Version.from_str(pkg_version.version)