fix: stabilize the order of resource helper methods and (#582)

Author: software-dov

packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2

@@ -748,7 +748,7 @@ def test_{{ service.name|snake_case }}_grpc_lro_client():
 
 {% endif -%}
 
-{% for message in service.resource_messages -%}
+{% for message in service.resource_messages|sort(attribute="resource_type") -%}
 {% with molluscs = cycler("squid", "clam", "whelk", "octopus", "oyster", "nudibranch", "cuttlefish", "mussel", "winkle", "nautilus", "scallop", "abalone") -%}
 def test_{{ message.resource_type|snake_case }}_path():
     {% for arg in message.resource_path_args -%}

packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/services/%service/async_client.py.j2

@@ -38,9 +38,9 @@ class {{ service.async_client_name }}:
     DEFAULT_ENDPOINT = {{ service.client_name }}.DEFAULT_ENDPOINT
     DEFAULT_MTLS_ENDPOINT = {{ service.client_name }}.DEFAULT_MTLS_ENDPOINT
 
-    {% for message in service.resource_messages -%}
+    {% for message in service.resource_messages|sort(attribute="resource_type") -%}
     {{ message.resource_type|snake_case }}_path = staticmethod({{ service.client_name }}.{{ message.resource_type|snake_case }}_path)
-
+    parse_{{ message.resource_type|snake_case}}_path = staticmethod({{ service.client_name }}.parse_{{ message.resource_type|snake_case }}_path)
     {% endfor %}
 
     from_service_account_file = {{ service.client_name }}.from_service_account_file

packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2

@@ -1343,7 +1343,7 @@ def test_{{ service.name|snake_case }}_grpc_lro_async_client():
 
 {% endif -%}
 
-{% for message in service.resource_messages -%}
+{% for message in service.resource_messages|sort(attribute="resource_type") -%}
 {% with molluscs = cycler("squid", "clam", "whelk", "octopus", "oyster", "nudibranch", "cuttlefish", "mussel", "winkle", "nautilus", "scallop", "abalone") -%}
 def test_{{ message.resource_type|snake_case }}_path():
     {% for arg in message.resource_path_args -%}