@Test
public final void testProcessRelationNoTags() {

	Relation relation =
		new Relation(new CommonEntityData(1234, 2, timestamp, new OsmUser(23, "someuser"), 0));
	relation.getMembers().add(new RelationMember(2345, EntityType.Node, "noderole"));
	relation.getMembers().add(new RelationMember(3456, EntityType.Way, "wayrole"));
	relation.getMembers().add(new RelationMember(4567, EntityType.Relation, "relationrole"));
	
	testRelationWriter.process(relation);
	try {
		testBufferedWriter.flush();
	} catch (IOException e) {
		e.printStackTrace();
		fail("IOException");
	}
	String[] strArray = testWriter.toString().split("\\n", 5);
	assertTrue(strArray[0].matches(relationOpeningMatch));
	assertTrue(strArray[1].matches(nodeMemberMatch));
	assertTrue(strArray[2].matches(wayMemberMatch));
	assertTrue(strArray[3].matches(relationMemberMatch));
	assertTrue(strArray[4].matches(relationClosingMatch));
}