fix: [manifest] Fix check-manifest with the new test files

MANIFEST.in

@@ -77,6 +77,9 @@ recursive-include cubicweb/wsgi/test *.py
 include cubicweb/pyramid/development.ini.tmpl
 include cubicweb/pyramid/pyramid.ini.tmpl
 recursive-include cubicweb/pyramid/debug_toolbar_templates *.dbtmako *.mako
+recursive-include cubicweb/pyramid/test *.py
+recursive-include cubicweb/pyramid/data *.py
+include cubicweb/pyramid/test/data/bootstrap_cubes
 
 include cubicweb/web/data/jquery-treeview/*.md