Update test assertions in test_routes.py to reflect singular 'state' endpoint structure

- Modified assertions in the TestRouteStructure class to replace deprecated plural 'states' routes with singular 'state' routes for executed, errored, prune, and re-enqueue-after endpoints.
- Ensured consistency with recent refactoring of endpoint URLs across the codebase.

Author: NiveditJain

state-manager/tests/unit/test_routes.py

@@ -28,10 +28,10 @@ def test_router_has_correct_routes(self):
         assert any('/v0/namespace/{namespace_name}/states/enqueue' in path for path in paths)
         assert any('/v0/namespace/{namespace_name}/graph/{graph_name}/trigger' in path for path in paths)
         # Removed deprecated create states route assertion
-        assert any('/v0/namespace/{namespace_name}/states/{state_id}/executed' in path for path in paths)
-        assert any('/v0/namespace/{namespace_name}/states/{state_id}/errored' in path for path in paths)
-        assert any('/v0/namespace/{namespace_name}/states/{state_id}/prune' in path for path in paths)
-        assert any('/v0/namespace/{namespace_name}/states/{state_id}/re-enqueue-after' in path for path in paths)
+        assert any('/v0/namespace/{namespace_name}/state/{state_id}/executed' in path for path in paths)
+        assert any('/v0/namespace/{namespace_name}/state/{state_id}/errored' in path for path in paths)
+        assert any('/v0/namespace/{namespace_name}/state/{state_id}/prune' in path for path in paths)
+        assert any('/v0/namespace/{namespace_name}/state/{state_id}/re-enqueue-after' in path for path in paths)
 
         # Graph template routes (there are two /graph/{graph_name} routes - GET and PUT)
         assert any('/v0/namespace/{namespace_name}/graph/{graph_name}' in path for path in paths)