diff --git a/acceptance/hidden_paths/test.py b/acceptance/hidden_paths/test.py
index 3a9f1af7f9..bf03782f35 100755
--- a/acceptance/hidden_paths/test.py
+++ b/acceptance/hidden_paths/test.py
@@ -5,11 +5,11 @@
 import http.server
 import time
 import threading
-
-from plumbum import cmd
+import sys
 
 from acceptance.common import base
 from acceptance.common import scion
+from tools.topology.scion_addr import ISD_AS
 
 
 class Test(base.TestTopogen):
@@ -109,12 +109,6 @@ def setup_start(self):
         super().setup_start()
         time.sleep(4)  # Give applications time to download configurations
 
-        self._testers = {
-            "2": "tester_1-ff00_0_2",
-            "3": "tester_1-ff00_0_3",
-            "4": "tester_1-ff00_0_4",
-            "5": "tester_1-ff00_0_5",
-        }
         self._ases = {
             "2": "1-ff00:0:2",
             "3": "1-ff00:0:3",
@@ -125,27 +119,30 @@ def setup_start(self):
 
     def _run(self):
         # Group 3
-        self._showpaths_bidirectional("2", "3", 0)
-        self._showpaths_bidirectional("2", "5", 0)
-        self._showpaths_bidirectional("3", "5", 0)
+        self._showpaths_bidirectional("2", "3")
+        self._showpaths_bidirectional("2", "5")
+        self._showpaths_bidirectional("3", "5")
 
         # Group 4
-        self._showpaths_bidirectional("2", "4", 0)
-        self._showpaths_bidirectional("2", "5", 0)
-        self._showpaths_bidirectional("4", "5", 0)
+        self._showpaths_bidirectional("2", "4")
+        self._showpaths_bidirectional("2", "5")
+        self._showpaths_bidirectional("4", "5")
 
         # Group 3 X 4
-        self._showpaths_bidirectional("3", "4", 1)
-
-    def _showpaths_bidirectional(self, source: str, destination: str, retcode: int):
-        self._showpaths_run(source, destination, retcode)
-        self._showpaths_run(destination, source, retcode)
-
-    def _showpaths_run(self, source_as: str, destination_as: str, retcode: int):
-        print(cmd.docker("exec", "-t", self._testers[source_as], "scion",
-                         "sp", self._ases[destination_as],
-                         "--timeout", "2s",
-                         retcode=retcode))
+        try:
+            self._showpaths_bidirectional("3", "4")
+        except Exception as e:
+            print(e)
+        else:
+            assert("Unexpected success; should not have paths 3 -> 4")
+
+    def _showpaths_bidirectional(self, source: str, destination: str):
+        self._showpaths_run(source, destination)
+        self._showpaths_run(destination, source)
+
+    def _showpaths_run(self, source_as: str, destination_as: str):
+        print(self.execute_tester(ISD_AS(self._ases[source_as]),
+                                  "scion", "sp", self._ases[destination_as], "--timeout", "2s"))
 
 
 def configuration_server(server):
diff --git a/demo/drkey/test.py b/demo/drkey/test.py
index 19f08d40ce..0a6c589670 100644
--- a/demo/drkey/test.py
+++ b/demo/drkey/test.py
@@ -71,7 +71,7 @@ def setup_prepare(self):
         # Enable delegation for tester host on the fast side (server side), i.e.
         # allow the tester host to directly request the secret value from which
         # keys can be derived locally for any host.
-        tester_ip = self._container_ip("scion_disp_tester_%s" % self.server_isd_as.file_fmt())
+        tester_ip = self._container_ip("disp_tester_%s" % self.server_isd_as.file_fmt())
         cs_config = self._conf_dir(self.server_isd_as) // "cs*-1.toml"
         scion.update_toml({"drkey.delegation.scmp": [tester_ip]}, cs_config)
 
@@ -82,9 +82,8 @@ def _run(self):
 
         # install demo binary in tester containers:
         drkey_demo = local["realpath"](self.get_executable("drkey-demo").executable).strip()
-        testers = ["tester_%s" % ia.file_fmt() for ia in {self.server_isd_as, self.client_isd_as}]
-        for tester in testers:
-            local["docker"]("cp", drkey_demo, tester + ":/bin/")
+        for ia in {self.server_isd_as, self.client_isd_as}:
+            self.dc("cp", drkey_demo, "tester_%s" % ia.file_fmt() + ":/bin/")
 
         # Define DRKey protocol identifiers and derivation typ for test
         for test in [
@@ -134,7 +133,7 @@ def _endhost_ip(self, isd_as: ISD_AS) -> str:
         """ Determine the IP used for the end host (client or server) in the given ISD-AS """
         # The address must be the daemon IP (as it makes requests to the control
         # service on behalf of the end host application).
-        return self._container_ip("scion_sd%s" % isd_as.file_fmt())
+        return self._container_ip("sd%s" % isd_as.file_fmt())
 
     def _container_ip(self, container: str) -> str:
         """ Determine the IP of the container """