beam_PostCommit_Java_Nexmark (non-Dataflow) failing

12:02:24 Exception in thread "main" java.lang.IllegalArgumentException: Class interface org.apache.beam.sdk.nexmark.NexmarkOptions missing a property named 'region'.
12:02:24 at org.apache.beam.sdk.options.PipelineOptionsFactory.parseObjects(PipelineOptionsFactory.java:1625)
12:02:24 at org.apache.beam.sdk.options.PipelineOptionsFactory.access$400(PipelineOptionsFactory.java:115)
12:02:24 at org.apache.beam.sdk.options.PipelineOptionsFactory$Builder.as(PipelineOptionsFactory.java:298)
12:02:24 at org.apache.beam.sdk.nexmark.Main.runAll(Main.java:98)
12:02:24 at org.apache.beam.sdk.nexmark.Main.main(Main.java:415)