test: Ensure back-compat of new _code fields in TOML archives

Author: kdmccormick

tests/openedx_content/applets/backup_restore/fixtures/library_backup/entities/subsection1-48afa3.toml

@@ -19,3 +19,13 @@ version_num = 2
 
 [version.container]
 children = ["unit1-b7eafb"]
+
+# Starting with https://github.com/openedx/openedx-core/pull/545,
+# containers will derive their identity from `container_code` instead of
+# from `key` (although archives without a `container_code` will fall back
+# to `key`). We're adding this bit to the test fixture ahead of time to
+# ensure that older (Ulmo) code is forward-compatible with archives
+# containing `container_code`.
+[container]
+container_type = "subsection"
+container_code = "subsection1-48afa3"

tests/openedx_content/applets/backup_restore/fixtures/library_backup/entities/xblock.v1/html/c22b9f97-f1e9-4e8f-87f0-d5a3c26083e2.toml

@@ -14,3 +14,13 @@ version_num = 2
 [[version]]
 title = "Text"
 version_num = 2
+
+# Starting with https://github.com/openedx/openedx-core/pull/544,
+# components will derive their type and code from these attributes rather
+# than by parsing `key` (although archives without a [component] section will
+# fall back to parsing `key`). We're adding this bit to the test fixture
+# early, ensuring that older (Ulmo) code is forward-compatible with archives
+# containing the [component] section.
+[component]
+component_type = "xblock.v1:html"
+component_code = "c22b9f97-f1e9-4e8f-87f0-d5a3c26083e2"