SDK : Google Cloud Dataflow SDK for Java 2.1.0
Class : DoFnTester
Method : setOutputTags
https://beam.apache.org/documentation/sdks/javadoc/2.1.0/org/apache/beam/sdk/transforms/DoFnTester.html
The Google Cloud Dataflow SDK for Java 1.9.1 has setSideOutputTags.
https://cloud.google.com/dataflow/java-sdk/JavaDoc/com/google/cloud/dataflow/sdk/transforms/DoFnTester
Is this method developed?
Is there an alternative test method for 2.1.0?