Fix serialization of 'und', 'oder', and 'nicht' in Cosmas II

Change-Id: Idc16a73bfa6ed649e913889310f157933c4f2b05
diff --git a/src/test/java/de/ids_mannheim/korap/query/serialize/EmptyResultsTest.java b/src/test/java/de/ids_mannheim/korap/query/serialize/EmptyResultsTest.java
index 58d775b..264ca67 100644
--- a/src/test/java/de/ids_mannheim/korap/query/serialize/EmptyResultsTest.java
+++ b/src/test/java/de/ids_mannheim/korap/query/serialize/EmptyResultsTest.java
@@ -15,8 +15,9 @@
 
     private static ObjectMapper mapper = new ObjectMapper();
 
+
     @Test
-    public void testEmptyQueryObject() {
+    public void testEmptyQueryObject () {
         QuerySerializer s = new QuerySerializer();
         s.setQuery("prox/unit=word/distance<=5", "cql");
         JsonNode node = mapper.valueToTree(s.build());
@@ -24,8 +25,9 @@
         assertEquals(node.has("collection"), false);
     }
 
+
     @Test
-    public void testEmptyCollectionObject() {
+    public void testEmptyCollectionObject () {
         QuerySerializer s = new QuerySerializer();
         s.setQuery("[base=Wort]", "poliqarp");
 
@@ -34,8 +36,9 @@
         assertEquals(node.has("collection"), false);
     }
 
+
     @Test
-    public void testEmptyMetaObject() {
+    public void testEmptyMetaObject () {
         QuerySerializer s = new QuerySerializer();
         s.setQuery("[base=Wort]", "poliqarp");