Move backcompat oldIndexes to unsupportedIndexes in TestBackwardsCompatibilty, and rename the index files to unsupported.

lucene/backward-codecs/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java

@@ -276,30 +276,6 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
   }
 
   final static String[] oldNames = {
-    "6.0.0-cfs",
-    "6.0.0-nocfs",
-    "6.0.1-cfs",
-    "6.0.1-nocfs",
-    "6.1.0-cfs",
-    "6.1.0-nocfs",
-    "6.2.0-cfs",
-    "6.2.0-nocfs",
-    "6.2.1-cfs",
-    "6.2.1-nocfs",
-    "6.3.0-cfs",
-    "6.3.0-nocfs",
-    "6.4.0-cfs",
-    "6.4.0-nocfs",
-    "6.4.1-cfs",
-    "6.4.1-nocfs",
-    "6.4.2-cfs",
-    "6.4.2-nocfs",
-    "6.5.0-cfs",
-    "6.5.0-nocfs",
-    "6.5.1-cfs",
-    "6.5.1-nocfs",
-    "6.6.0-cfs",
-    "6.6.0-nocfs"
   };
   
   final String[] unsupportedNames = {
@@ -432,7 +408,31 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
       "5.5.3-cfs",
       "5.5.3-nocfs",
       "5.5.4-cfs",
-      "5.5.4-nocfs"
+      "5.5.4-nocfs",
+      "6.0.0-cfs",
+      "6.0.0-nocfs",
+      "6.0.1-cfs",
+      "6.0.1-nocfs",
+      "6.1.0-cfs",
+      "6.1.0-nocfs",
+      "6.2.0-cfs",
+      "6.2.0-nocfs",
+      "6.2.1-cfs",
+      "6.2.1-nocfs",
+      "6.3.0-cfs",
+      "6.3.0-nocfs",
+      "6.4.0-cfs",
+      "6.4.0-nocfs",
+      "6.4.1-cfs",
+      "6.4.1-nocfs",
+      "6.4.2-cfs",
+      "6.4.2-nocfs",
+      "6.5.0-cfs",
+      "6.5.0-nocfs",
+      "6.5.1-cfs",
+      "6.5.1-nocfs",
+      "6.6.0-cfs",
+      "6.6.0-nocfs"
   };
 
   // TODO: on 6.0.0 release, gen the single segment indices and add here:
@@ -1495,7 +1495,7 @@ public class TestBackwardsCompatibility extends LuceneTestCase {
     }
     reader.close();
   }
-  
+
   public void testDocValuesUpdates() throws Exception {
     Path oldIndexDir = createTempDir("dvupdates");
     TestUtil.unzip(getDataInputStream(dvUpdatesIndex), oldIndexDir);

lucene/backward-codecs/src/test/org/apache/lucene/index/TestIndexWriterOnOldIndex.java

@@ -29,7 +29,7 @@ import org.apache.lucene.util.Version;
 public class TestIndexWriterOnOldIndex extends LuceneTestCase {
 
   public void testOpenModeAndCreatedVersion() throws IOException {
-    InputStream resource = getClass().getResourceAsStream("index.single-empty-doc.630.zip");
+    InputStream resource = getClass().getResourceAsStream("unsupported.index.single-empty-doc.630.zip");
     assertNotNull(resource);
     Path path = createTempDir();
     TestUtil.unzip(resource, path);