Introduced failing test for regex in VCs

Change-Id: I36c01f3986ee7106d76172da66cd09cedfb4e64a
diff --git a/src/test/java/de/ids_mannheim/korap/query/test/collection/CollectionQueryProcessorTest.java b/src/test/java/de/ids_mannheim/korap/query/test/collection/CollectionQueryProcessorTest.java
index 04a081f..52bd4d4 100644
--- a/src/test/java/de/ids_mannheim/korap/query/test/collection/CollectionQueryProcessorTest.java
+++ b/src/test/java/de/ids_mannheim/korap/query/test/collection/CollectionQueryProcessorTest.java
@@ -126,6 +126,19 @@
         assertEquals("match:eq", res.at("/collection/match").asText());
     }
 
+	@Test
+    public void testRegexAlternative () throws JsonProcessingException, IOException {
+        collection = "textClass=/(politik|kultur)/";
+        qs.setQuery(query, ql);
+        qs.setCollection(collection);
+        res = mapper.readTree(qs.toJSON());
+        assertEquals("koral:doc", res.at("/collection/@type").asText());
+        assertEquals("textClass", res.at("/collection/key").asText());
+        assertEquals("(politik|kultur)", res.at("/collection/value").asText());
+        assertEquals("type:regex", res.at("/collection/type").asText());
+        assertEquals("match:eq", res.at("/collection/match").asText());
+    }
+
 
 
     @Test