#80 fix test setup

Author: aburmeis

src/test/java/com/arangodb/springframework/ArangoTransactionalTestConfiguration.java

@@ -12,6 +12,6 @@
 @EnableTransactionManagement
 @TestExecutionListeners(TransactionalTestExecutionListener.class)
 @Import(ArangoTransactionManagementConfigurer.class)
-public class ArangoTransactionalTestConfiguration extends ArangoTestConfiguration {
+public class ArangoTransactionalTestConfiguration {
 
 }