smol cleanup

Author: pabloem

x-pack/plugin/logsdb/src/javaRestTest/java/org/elasticsearch/xpack/logsdb/qa/DataGenerationHelper.java

@@ -89,7 +89,7 @@ public DataSourceResponse.FieldTypeGenerator handle(DataSourceRequest.FieldTypeG
                         @Override
                         public DataSourceResponse.FieldTypeGenerator.FieldTypeInfo get() {
                             // Base set of field types
-                            var options = Arrays.stream(FieldType.values()).map(FieldType::toString).collect(Collectors.toSet());
+                            var options = Arrays.stream(FieldType.values()).filter(ft -> ft != FieldType.PASSTHROUGH).map(FieldType::toString).collect(Collectors.toSet());
                             // Custom types coming from specific functionality modules
 
                             if (shapesGenerated < 5) {