Set default trigger interval and align with Beam

theodolite-benchmarks/uc4-flink/src/main/resources/META-INF/application.properties

@@ -11,7 +11,8 @@ kafka.output.topic=output
 schema.registry.url=http://localhost:8081
 
 emit.period.ms=5000
-grace.period.ms=0
+trigger.interval.seconds=1
+grace.period.ms=5000
 
 # Flink configuration
 checkpointing.interval.ms=1000