Added initial cluster setup.

release_tests/support/mttserver.py

@@ -1,6 +1,7 @@
 """Starts and runs releasse version of MoreThanText server."""
 
 from asyncio import create_subprocess_exec
+from socket import AF_INET, SOCK_STREAM, socket
 from pathlib import Path
 from release_tests.support import ADDR, get_port
 
@@ -24,3 +25,13 @@ class MTTServer:
     async def start(self):
         """Starts the server."""
         self.server = await create_subprocess_exec(*self.cmd)
+        # delays the return untul the serverr is responding.  
+        with socket(AF_INET, SOCK_STREAM) as soc:
+            while soc.connect_ex((ADDR, self.port)) != 0:
+                continue
+
+    async def stop(self):
+        """Stops the server."""
+        if self.server:
+            self.server.terminate()
+            await self.server.wait()