grakn ai.grakn 1.4.3 4.0.0 grakn-test-tools ai.grakn grakn-kb junit junit compile org.cassandraunit cassandra-unit compile com.datastax.cassandra cassandra-driver-core com.sparkjava spark-core com.pholser junit-quickcheck-generators compile org.mockito mockito-core compile io.grpc grpc-stub com.google.auto.value auto-value