additional test case

histream-import/src/test/java/de/sekmi/histream/etl/OtherSources.java

@@ -52,4 +52,14 @@ public class OtherSources {
 		os.close();
 		w.close();
 	}
+	@Test
+	public void testSource5() throws Exception{
+		URL url = Paths.get("../../../2014-09_AKTIN/repo-v2/aktin/dwh-query/reports/aktin-monthly/src/test/resources/aktin-datasource.xml").toUri().toURL();
+		ETLObservationSupplier os = ETLObservationSupplier.load(url);
+		GroupedXMLWriter w = new GroupedXMLWriter(System.out);
+		Meta.transfer(os, w);
+		Streams.transfer(os, w);
+		os.close();
+		w.close();
+	}
 }