OZG-5156 Fixed Unit Tests

fim-adapter/pom.xml

...src/main/java/de/ozgcloud/eingang/fim/FimBasedMapper.java

...ter/src/main/java/de/ozgcloud/eingang/fim/FimService.java

...ava/de/ozgcloud/eingang/fim/adapter/FimSchemeAdapter.java

...de/ozgcloud/eingang/fim/adapter/UnknownSchemeAdapter.java

...cloud/eingang/fim/adapter/VersammlungsAnzeigeAdapter.java

...src/test/java/de/ozgcloud/eingang/fim/FimServiceTest.java

fim-adapter/src/test/resources/test1.xml

fim-adapter/src/test/resources/test3/Antrag.xml

fim-adapter/src/test/resources/test3/fim_xtaMetadata.xml