Align package structure tests hzj

theodolite-benchmarks/uc1-hazelcastjet/src/test/java/theodolite/uc1/application/Uc1PipelineTest.java → theodolite-benchmarks/uc1-hazelcastjet/src/test/java/rocks/theodolite/benchmarks/uc1/hazelcast/Uc1PipelineTest.java

-package theodolite.uc1.application;
+package rocks.theodolite.benchmarks.uc1.hazelcast;
 
 import com.hazelcast.jet.Jet;
 import com.hazelcast.jet.JetInstance;

theodolite-benchmarks/uc2-hazelcastjet/src/test/java/theodolite/uc2/application/Uc2PipelineTest.java → theodolite-benchmarks/uc2-hazelcastjet/src/test/java/rocks/theodolite/benchmarks/uc2/hazelcastjet/Uc2PipelineTest.java

-package theodolite.uc2.application;
+package rocks.theodolite.benchmarks.uc2.hazelcastjet;
 
 import com.google.gson.Gson;
 import com.hazelcast.jet.Jet;

theodolite-benchmarks/uc3-hazelcastjet/src/test/java/theodolite/uc3/application/Uc3PipelineTest.java → theodolite-benchmarks/uc3-hazelcastjet/src/test/java/rocks/theodolite/benchmarks/uc3/hazelcastjet/Uc3PipelineTest.java

-package theodolite.uc3.application;
+package rocks.theodolite.benchmarks.uc3.hazelcastjet;
 
 import com.hazelcast.jet.Jet;
 import com.hazelcast.jet.JetInstance;

theodolite-benchmarks/uc4-hazelcastjet/src/test/java/theodolite/uc4/application/Uc4PipelineTest.java → theodolite-benchmarks/uc4-hazelcastjet/src/test/java/rocks/theodolite/benchmarks/uc4/hazelcastjet/Uc4PipelineTest.java

-package theodolite.uc4.application;
+package rocks.theodolite.benchmarks.uc4.hazelcastjet;
 
 import com.hazelcast.jet.Jet;
 import com.hazelcast.jet.JetInstance;