WIP

cucumber-junit-platform-engine/src/main/java/io/cucumber/junit/platform/engine/FeatureResolver.java

@@ -254,7 +254,7 @@ private Function<TestDescriptor, Optional<TestDescriptor>> createTestDescriptor(
                     source.nodeSource(node),
                     feature.getPickleAt(node)));
             }
-            return Optional.empty();
+            throw new IllegalStateException("Got a " + node.getClass() + " but didn't have a case to handle it");
         };
     }