diff --git a/tests/environment/__init__.py b/tests/environment/__init__.py
index 3c62614..4b633b4 100644
--- a/tests/environment/__init__.py
+++ b/tests/environment/__init__.py
@@ -4,7 +4,10 @@ import subprocess
 import time
 import json
 import atexit
-import pytest
+try:
+    import pytest
+except:
+    pass
 import requests
 thisdir = os.path.abspath(os.path.dirname(__file__))
 
@@ -68,6 +71,9 @@ class TestEnvironment(object):
         if not self._wait_for_meshcentral():
             self.__exit__(None, None, None)
             raise Exception("Failed to create docker instance")
+        if not self._wait_for_client_server():
+            self.__exit__(None, None, None)
+            raise Exception("Failed to create client server")
         return self
 
     def _wait_for_meshcentral(self, timeout=30):
@@ -90,6 +96,26 @@ class TestEnvironment(object):
             return False
         return True
 
+    def _wait_for_client_server(self, timeout=30):
+        start = time.time()
+        while time.time() - start < timeout:
+            try:
+                data = subprocess.check_output(["docker", "inspect", "meshctrl-client", "--format='{{json .State.Health}}'"], cwd=thisdir, stderr=subprocess.DEVNULL)
+                # docker outputs for humans, not computers. This is the easiest way to chop off the ends
+                data = json.loads(data.strip()[1:-1])
+            except Exception as e:
+                time.sleep(1)
+                continue
+            try:
+                if data["Status"] == "healthy":
+                    break
+            except:
+                pass
+            time.sleep(1)
+        else:
+            return False
+        return True
+
     def __exit__(self, exc_t, exc_v, exc_tb):
         pass
 
@@ -112,10 +138,13 @@ def _kill_docker_process():
 
 atexit.register(_kill_docker_process)
 
-@pytest.fixture(scope="session")
-def env():
-    with TestEnvironment() as e:
-        yield e
+try:
+    @pytest.fixture(scope="session")
+    def env():
+        with TestEnvironment() as e:
+            yield e
+except:
+    pass
 
 
 if __name__ == "__main__":
diff --git a/tests/environment/compose.yaml b/tests/environment/compose.yaml
index 93d58fc..73a2ca8 100644
--- a/tests/environment/compose.yaml
+++ b/tests/environment/compose.yaml
@@ -9,6 +9,8 @@ services:
     image: client
     build:
       dockerfile: client.dockerfile
+    sysctls:
+      net.ipv6.conf.all.disable_ipv6: 1
     ports:
       - 5000:5000
     depends_on:
@@ -20,6 +22,10 @@ services:
     #   - ./meshcentral/mongodb_data:/data/db
     networks:
       - meshctrl
+    healthcheck:
+      test: curl --fail http://localhost:5000/ || exit 1
+      interval: 5s
+      timeout: 120s
     extra_hosts:
       - "host.docker.internal:host-gateway"
 
@@ -28,6 +34,8 @@ services:
     container_name: meshctrl-meshcentral
     # use the official meshcentral container
     image: meshcentral
+    sysctls:
+      net.ipv6.conf.all.disable_ipv6: 1
     build:
       dockerfile: meshcentral.dockerfile
     ports:
@@ -55,6 +63,8 @@ services:
     image: ubuntu/squid:latest
     restart: unless-stopped
     container_name: meshctrl-squid
+    sysctls:
+      net.ipv6.conf.all.disable_ipv6: 1
     ports:
       - 3128:3128
 
diff --git a/tests/environment/config/squid/conf.d/meshctrl.conf b/tests/environment/config/squid/conf.d/meshctrl.conf
index 255186b..0697d4a 100644
--- a/tests/environment/config/squid/conf.d/meshctrl.conf
+++ b/tests/environment/config/squid/conf.d/meshctrl.conf
@@ -1,9 +1,19 @@
 # Logs are managed by logrotate on Debian
 logfile_rotate 0
 
-acl all src all
+acl to_ipv6 dst ipv6
+acl from_ipv6 src ipv6
+
+acl to_ipv4 dst ipv4
+acl from_ipv4 src ipv4
+
+#acl all src all
 acl Safe_ports port 8086
 acl SSS_ports port 8086
+http_access allow to_ipv4
+http_access allow from_ipv4
+http_access deny to_ipv6
+http_access deny from_ipv6
 http_access allow all
 debug_options ALL,0 85,2 88,2
 
diff --git a/tests/environment/meshcentral.dockerfile b/tests/environment/meshcentral.dockerfile
index b97a6da..7227cfa 100644
--- a/tests/environment/meshcentral.dockerfile
+++ b/tests/environment/meshcentral.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/ylianst/meshcentral:1.1.50
+FROM ghcr.io/ylianst/meshcentral:1.1.56
 RUN apk add curl
 RUN apk add python3
 WORKDIR /opt/meshcentral/
diff --git a/tests/environment/scripts/client/agent_server.py b/tests/environment/scripts/client/agent_server.py
index 52e42e8..0f4f7b7 100644
--- a/tests/environment/scripts/client/agent_server.py
+++ b/tests/environment/scripts/client/agent_server.py
@@ -62,7 +62,7 @@ def remove_agent(agentid):
 
 @api.route('/', methods=['GET'])
 def slash():
-    return [_["id"] for _ in agents]
+    return [value["id"] for key, value in agents.items()]
 
 if __name__ == '__main__':
     api.run()
\ No newline at end of file