Fix pytest (#1985)

pytest/lib/cluster.py

@@ -316,6 +316,7 @@ def spin_up_node(config, near_root, node_dir, ordinal, boot_key, boot_addr, blac
         print(f"node {ordinal} machine created")
 
     node.start(boot_key, boot_addr)
+    time.sleep(3)
     print(f"node {ordinal} started")
     return node
 
@@ -336,8 +337,8 @@ def init_cluster(num_nodes, num_observers, num_shards, config, genesis_config_ch
     assert 0 == process.returncode, err
 
     node_dirs = [line.split()[-1]
-                 for line in err.decode('utf8').split('\n') if '/test' in line]
-    assert len(node_dirs) == num_nodes + num_observers
+                 for line in out.decode('utf8').split('\n') if '/test' in line]
+    assert len(node_dirs) == num_nodes + num_observers, "node dirs: %s num_nodes: %s num_observers: %s" % (len(node_dirs), num_nodes, num_observers)
 
     # apply config changes
     for i, node_dir in enumerate(node_dirs):
@@ -422,7 +423,7 @@ def load_config():
         try:
             with open(config_file) as f:
                 config = json.load(f)
-                    print(f"Load config from {config_file}, config {config}")
+                print(f"Load config from {config_file}, config {config}")
         except:
             print(f"Failed to load config file, use default config {config}")
     else: