Revert "fail-fast if one of the servers have crashed"

This reverts commit 0eb860a.

tests_e2e/run.py

@@ -497,29 +497,13 @@ def save(data):
             stderr=STDOUT,
             text=True
         )
-        servers_wait = [
-            docker(
-                [
-                    'wait',
-                    server,
-                ],
-                stdout=PIPE,
-                stderr=STDOUT,
-                text=True
-            ) for server in servers
-        ]
-        servers_failed = False
 
         try:
             while docker_wait.poll() is None:
                 ch = docker_logs.stdout.read(1)
                 if ch:
                     stdout.buffer.write(ch)
                     stdout.flush()
-                if any(map(lambda proc: proc.poll() is not None, servers_wait)):
-                    logger.error("One of the servers have failed")
-                    servers_failed = True
-                    break
         except KeyboardInterrupt:
             docker_logs.kill()
 
@@ -528,7 +512,7 @@ def save(data):
             'down',
         ]).wait()
 
-        if servers_failed or docker_wait.returncode != 0 or int(docker_wait.stdout.read()) != 0:
+        if docker_wait.returncode != 0 or int(docker_wait.stdout.read()) != 0:
             logger.error("Failed")
             exit(1)