Adding test for legacy checkpoint created with 2.5.6 (#21338)

pl-ghost · justusschock · web-flow · commit a7cb33a59576 · 2025-11-06T14:30:00.000+05:30
[create-pull-request] automated change

Co-authored-by: justusschock &lt;justusschock@users.noreply.github.com&gt;
diff --git a/tests/legacy/back-compatible-versions.txt b/tests/legacy/back-compatible-versions.txt
@@ -109,3 +109,4 @@
 2.5.3
 2.5.4
 2.5.5
+2.5.6

-Original file line number
+Diff line change
 .5.3
 .5.4
 .5.5
 +2.5.6