[test][core] Implement user selection for commands

beat/cmdline/test/core.py

@@ -147,6 +147,7 @@ class BaseTest:
         use_platform = kwargs.get("platform", platform)
         use_cache = kwargs.get("cache", "cache")
         asset_type = kwargs.get("asset_type", cls.asset_type)
+        remote_user = kwargs.get("user", user)
 
         cmd_group = cls.get_cmd_group(asset_type)
 
@@ -157,7 +158,7 @@ class BaseTest:
             "--token",
             token,
             "--user",
-            user,
+            remote_user,
             "--cache",
             use_cache,
             "--platform",