Rename ClientVersionTest to ConfigTest

Author: Michelangelo Partipilo

…te/client6/v1/api/ClientVersionTest.java …/weaviate/client6/v1/api/ConfigTest.javasrc/test/java/io/weaviate/client6/v1/api/ClientVersionTest.java renamed to src/test/java/io/weaviate/client6/v1/api/ConfigTest.java src/test/java/io/weaviate/client6/v1/api/ClientVersionTest.java renamed to src/test/java/io/weaviate/client6/v1/api/ConfigTest.java

@@ -3,7 +3,7 @@
 import org.assertj.core.api.Assertions;
 import org.junit.Test;
 
-public class ClientVersionTest {
+public class ConfigTest {
 
   private static final String HEADER_KEY = "X-Weaviate-Client";