The attached error appears in the log when running tests [1] as [2]. We should fix test configuration because this error can confuse newcomers during tests result investigation.

[1]
https://github.com/kiegroup/kie-wb-distributions/tree/master/business-central-tests

[2]
mvn -B -fae -e -nsu -Pbusiness-central,wildfly,sourcemaps,no-showcase clean install -Dfull=true -Dcontainer=wildfly -Dcontainer.profile=wildfly -Dintegration-tests=true -Dgwt.compiler.localWorkers=1 -Dwebdriver.firefox.bin=[path-to-firefox]/firefox-bin