Fix PreCommit Xlang Generated Transforms job

sdks/python/apache_beam/transforms/external_transform_provider_it_test.py

@@ -392,9 +392,17 @@ def test_check_standard_external_transforms_config_in_sync(self):
               'r') as f:
       standard_config = yaml.safe_load(f)
 
+    def _normalize(cfg):
+      # Sort each transform's fields deterministically
+      for t in cfg:
+        if "fields" in t and isinstance(t["fields"], list):
+          t["fields"] = sorted(t["fields"], key=lambda f: f.get("name", ""))
+      # Sort transforms deterministically
+      return sorted(cfg, key=lambda t: t.get("identifier", ""))
+
     self.assertEqual(
-        test_config,
-        standard_config,
+        _normalize(test_config),
+        _normalize(standard_config),
         "The standard xlang transforms config file "
         "\"standard_external_transforms.yaml\" is out of sync! Please update "
         "by running './gradlew generateExternalTransformsConfig' "

sdks/python/gen_xlang_wrappers.py

@@ -137,7 +137,8 @@ class name. This can be overriden by manually providing a name.
     # use dynamic provider to discover and populate wrapper details
     provider = ExternalTransformProvider(BeamJarExpansionService(target))
     discovered: Dict[str, ExternalTransform] = provider.get_all()
-    for identifier, wrapper in discovered.items():
+    for identifier in sorted(discovered.keys()):
+      wrapper = discovered[identifier]
       if identifier in transforms_to_skip:
         continue
 
@@ -153,7 +154,8 @@ class name. This can be overriden by manually providing a name.
       name = modified_transform.get('name', wrapper.__name__)
 
       fields = []
-      for param in wrapper.configuration_schema.values():
+      for param_name in sorted(wrapper.configuration_schema.keys()):
+        param = wrapper.configuration_schema[param_name]
         (tp, nullable) = pretty_type(param.type)
         field_info = {
             'name': param.original_name,