add functionals

Author: mr-exz

.github/workflows/ci.yml

@@ -47,5 +47,6 @@ jobs:
           cd $REDMINE_PATH
           export SKIP_COVERAGE=1
           bundle exec rake redmine:plugins:test:units NAME=$PLUGIN_NAME RUBYOPT="-W0"
+          bundle exec rake redmine:plugins:test:functionals NAME=$PLUGIN_NAME RUBYOPT="-W0"
           bundle exec rake redmine:plugins:test:integration NAME=$PLUGIN_NAME RUBYOPT="-W0"
           bundle exec rake redmine:plugins:migrate NAME=$PLUGIN_NAME VERSION=0