test_java_expansion_portable_runner failing

probable cause: https://github.com/apache/beam/pull/9842#issuecomment-548496295

11:13:37 java.util.concurrent.ExecutionException: java.lang.RuntimeException: Error received from SDK harness for instruction 72: Traceback (most recent call last):11:13:37 File "/usr/local/lib/python2.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 173, in _execute*11:13:37* response = task()11:13:37 File "/usr/local/lib/python2.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 196, in <lambda>11:13:37 self._execute(lambda: worker.do_instruction(work), work)11:13:37 File "/usr/local/lib/python2.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 358, in do_instruction*11:13:37* request.instruction_id)11:13:37 File "/usr/local/lib/python2.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 378, in process_bundle*11:13:37* instruction_id, request.process_bundle_descriptor_id)11:13:37 File "/usr/local/lib/python2.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 311, in get*11:13:37* self.fns[bundle_descriptor_id],11:13:37 KeyError: u'1-37'