kafka-streams-test-utils added TopologyTestDriver, Note now kafka.version need to be kept in sync manually
Reduce unnecessary logging
Extract contants to be used in test class
Changed non used key type from Object to Bytes to use BytesSerde
Added default contructor to support JsonSerde
Added toString for better test output
KafkaStreamsWordCountApplication.WordCountProcessorApplication using TopologyTestDriver
Unified intentation
Bytes as key type
Polishing