jruby doesn't have Data

Author: rickhull

.github/workflows/tests.yaml

@@ -22,7 +22,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ head, jruby-head, truffleruby-head ]
+        #ruby: [ head, jruby-head, truffleruby-head ]
+        ruby: [ head, truffleruby-head ]
         # ruby: [ head ]
     name: Ruby ${{ matrix.ruby }}
     steps: