Add tests for nbextension and content manager

stack/erp5/buildout.cfg

@@ -536,6 +536,12 @@ eggs = ${neoppod:eggs}
 
 # Used by ERP5 Jupyter backend
   ipykernel
+  
+# NEW:Testing Sebastian
+  nbconvert
+  nbformat
+  mistune
+  tornado
 
 # parameterizing the version of the generated python interpreter name by the
 # python section version causes dependency between this egg section and the
@@ -746,3 +752,9 @@ zope.app.dependable = 3.5.1
 # Products.CMFCalendar==2.2.3
 # five.formlib==1.0.4
 zope.app.form = 4.0.2
+
+# NEW:testing sebastian
+nbconvert = 4.1.0
+nbformat = 4.3.0
+mistune = 0.7.3
+tornado = 4.4.2