build upload to sauce
Merge pull request #2218 from sebv/build-upload

build upload to sauce
ci fix
Merge pull request #2219 from sebv/build-upload

ci fix
ci fix
Merge pull request #2220 from sebv/build-upload

ci fix
ci fix
Merge pull request #2221 from sebv/build-upload

ci fix
add test that we don't reuse element ids (related to #2096)