fix CI failures

Author: lubegasimon

test/integration/simple_dune_project.t/run.t

@@ -6,5 +6,7 @@ Build the documentation of a simple Dune library.
   _build/default/_doc/_html/dune_odoc_test/Dune_odoc_test/Bar/index.html
   _build/default/_doc/_html/dune_odoc_test/Dune_odoc_test/Foo/index.html
   _build/default/_doc/_html/dune_odoc_test/Dune_odoc_test/index.html
+  _build/default/_doc/_html/dune_odoc_test/Dune_odoc_test__Bar/index.html
+  _build/default/_doc/_html/dune_odoc_test/Dune_odoc_test__Foo/index.html
   _build/default/_doc/_html/dune_odoc_test/index.html
   _build/default/_doc/_html/index.html