Fix NoMethodError with poltergeist
Fix NoMethodError with poltergeist

* Click body instead of executing scripts as the execute script API
  differs between selenium and poltergeist

intfrr/redmine_dashboard,jmfarina/redmine_dashboard,jmfarina/redmine_dashboard,intfrr/redmine_dashboard,intfrr/redmine_dashboard,jmfarina/redmine_dashboard,intfrr/redmine_dashboard,jmfarina/redmine_dashboard