[CORD-1440] Moving the generative toolchain in a library

Change-Id: Ifa8e8f930ac34e1f8952099b7e34842a52f4664d
diff --git a/lib/xos-genx/tests/attics/xosmodel_header.py b/lib/xos-genx/tests/attics/xosmodel_header.py
new file mode 100644
index 0000000..cafc869
--- /dev/null
+++ b/lib/xos-genx/tests/attics/xosmodel_header.py
@@ -0,0 +1,2 @@
+def header():
+    return 'header'
\ No newline at end of file