Throw error for optionality in distances

Change-Id: Ib555eef2cf512ce4bf443779096175c3009cc431
diff --git a/src/test/java/de/ids_mannheim/korap/index/TestMatchIdentifier.java b/src/test/java/de/ids_mannheim/korap/index/TestMatchIdentifier.java
index 8a0ac45..072a633 100644
--- a/src/test/java/de/ids_mannheim/korap/index/TestMatchIdentifier.java
+++ b/src/test/java/de/ids_mannheim/korap/index/TestMatchIdentifier.java
@@ -277,10 +277,10 @@
 
         /*
         km = ki.getMatchInfo(
-			"match-GOE!GOE_AGX.00002-p10-20",
-							 "tokens", true, (String) null, (String) null, true, true, false);	
+        	"match-GOE!GOE_AGX.00002-p10-20",
+        					 "tokens", true, (String) null, (String) null, true, true, false);	
         assertEquals("", km.toJsonString());
-		*/		
+        */
     };
 
 
diff --git a/src/test/java/de/ids_mannheim/korap/index/TestRepetitionIndex.java b/src/test/java/de/ids_mannheim/korap/index/TestRepetitionIndex.java
index cedb868..131ae70 100644
--- a/src/test/java/de/ids_mannheim/korap/index/TestRepetitionIndex.java
+++ b/src/test/java/de/ids_mannheim/korap/index/TestRepetitionIndex.java
@@ -204,6 +204,7 @@
         //		}
     }
 
+
     @Test
     public void testCase5 () throws IOException {
         ki = new KrillIndex();