Update git submodules

* Update docs/submodules/moon from branch 'master'
  - add test for models module

    Change-Id: Ib685a4299b392db6380bacd7aedf9ae07611fcdb
    Signed-off-by: ahmed.helmy <ahmad.helmy@orange.com>

diff --git a/docs/submodules/moon b/docs/submodules/moon
index b2904eb..19a6944 160000 (submodule)
--- a/docs/submodules/moon
+++ b/docs/submodules/moon
@@ -1 +1 @@
-Subproject commit b2904eb52f85938a18f55520ce2b4cf4dcb0269f
+Subproject commit 19a69441bbcc8b5e9e334f81c66d0f3720405fdd