Add database_cleaner require stmt to plugin spec_helper
Add database_cleaner require stmt to plugin spec_helper

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