Added endpoint test for identifer service

...ce/rest-service/src/test/java/at/tuwien/BaseUnitTest.java

...va/at/tuwien/service/ContainerServiceIntegrationTest.java

fda-database-service/pom.xml

fda-database-service/report/pom.xml

...ce/rest-service/src/test/java/at/tuwien/BaseUnitTest.java

...ava/at/tuwien/service/DatabaseServiceIntegrationTest.java

fda-identifier-service/pom.xml

...t/java/at/tuwien/endpoint/IdentifierEndpointUnitTest.java

...ervice/rest-service/src/test/resources/csv/weatherAUS.csv

...ce/src/test/resources/xml/datacite-example-dataset-v4.xml

...rest-service/src/test/resources/zenodo-deposits-list.json

...est-service/src/test/resources/zenodo-deposits-store.json

...st-service/src/test/resources/zenodo-deposits-update.json