[GCU] Fix missing backend in dry run (#2347)

What I did Fix sonic-net/sonic-buildimage#11912 How I did it Add the missing 'remove_backend_tables_from_config' in dry run. How to verify it Run unit test and manual test locally.
sonic-net · Sep 5, 2022 · 0e1b0cf · 0e1b0cf
1 parent 676c31b
commit 0e1b0cf
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diff --git a/generic_config_updater/change_applier.py b/generic_config_updater/change_applier.py
@@ -65,6 +65,10 @@ def apply(self, change):
         self.config_wrapper.apply_change_to_config_db(change)
 
 
+    def remove_backend_tables_from_config(self, data):
+        return data
+
+
 class ChangeApplier:
 
     updater_conf = None

diff --git a/tests/generic_config_updater/change_applier_test.py b/tests/generic_config_updater/change_applier_test.py
@@ -281,6 +281,7 @@ def test_apply__calls_apply_change_to_config_db(self):
 
         # Act
         applier.apply(change)
+        applier.remove_backend_tables_from_config(change)
 
         # Assert
         applier.config_wrapper.apply_change_to_config_db.assert_has_calls([call(change)])