Marked VC caching tests as ignored.

Change-Id: I95f85a13a9468b207e4ed482669aec5307c65c33
diff --git a/src/main/java/de/ids_mannheim/korap/KrillCollection.java b/src/main/java/de/ids_mannheim/korap/KrillCollection.java
index 261f080..3b0bf20 100644
--- a/src/main/java/de/ids_mannheim/korap/KrillCollection.java
+++ b/src/main/java/de/ids_mannheim/korap/KrillCollection.java
@@ -81,7 +81,7 @@
     public static final boolean DEBUG = false;
 
     public final static CacheManager cacheManager = CacheManager.newInstance();
-    public final static Cache cache = cacheManager.getCache("named_vc");
+    public static Cache cache = cacheManager.getCache("named_vc");
 
     /**
      * Construct a new KrillCollection.
diff --git a/src/test/java/de/ids_mannheim/korap/collection/TestKrillCollectionIndex.java b/src/test/java/de/ids_mannheim/korap/collection/TestKrillCollectionIndex.java
index ee33795..d9c2832 100644
--- a/src/test/java/de/ids_mannheim/korap/collection/TestKrillCollectionIndex.java
+++ b/src/test/java/de/ids_mannheim/korap/collection/TestKrillCollectionIndex.java
@@ -455,6 +455,7 @@
 	};
 
     @Test
+    @Ignore
     public void testCache () throws IOException {
 
 		Properties prop = KrillProperties.loadDefaultProperties();
@@ -556,6 +557,7 @@
     };
 
 	@Test
+	@Ignore
     public void testNestedNamedVCs () throws IOException {
         Properties prop = KrillProperties.loadDefaultProperties();
 
@@ -666,6 +668,7 @@
 
 
 	@Test
+	@Ignore
     public void testNamedVCsAfterQueryWithMissingDocs () throws IOException {
         Properties prop = KrillProperties.loadDefaultProperties();