Fix bug 1544 to read properly size capabilities in Azure

Change-Id: Iff772db93b2d862848361ad40276dc8185379d63
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/requirements-test.txt b/requirements-test.txt
index f2711aa..7b16cb5 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -24,5 +24,5 @@
     # via -r requirements-test.in
 nose2==0.10.0
     # via -r requirements-test.in
-six==1.15.0
+six==1.16.0
     # via nose2