Unmarshalling <text> DMN elements containing CDATA fails on IBM JDK

When running test UnmarshalMarshalTest.testDish() on IBM JDK, the test fails with following output [1]. Unmarshall call here [2] produces UnaryTests with empty text attributes, so whole CDATA content is ignored during unmarshalling.

[1] https://gist.github.com/baldimir/e65a8755aeebef17508788213676fcb2
[2] https://github.com/kiegroup/drools/blob/158ae2f284f080f75016fedc2f84265688434d33/kie-dmn/kie-dmn-backend/src/test/java/org/kie/dmn/backend/marshalling/v1_1/UnmarshalMarshalTest.java#L118