Github user rvesse commented on the issue:
https://github.com/apache/jena/pull/345
Does
https://github.com/apache/jena/blob/cc038809fb622779933831011909714e22ef494c/jena-arq/src/main/java/org/apache/jena/sparql/algebra/optimize/TransformPromoteTableEmpty.java#L160
need to change to use the new test?---
