test: mark horribly slow tests with @nightly

Author: rmuir

lucene/backward-codecs/src/test/org/apache/lucene/backward_index/TestAncientIndicesCompatibility.java

@@ -86,8 +86,9 @@ public class TestAncientIndicesCompatibility extends LuceneTestCase {
 
   /**
    * This test checks that *only* IndexFormatTooOldExceptions are thrown when you open and operate
-   * on too old indexes!
+   * on too old indexes! TODO: this test is far too slow
    */
+  @Nightly
   public void testUnsupportedOldIndexes() throws Exception {
     for (String version : UNSUPPORTED_INDEXES) {
       if (VERBOSE) {

lucene/core/src/test/org/apache/lucene/search/TestIndexOrDocValuesQuery.java

@@ -104,6 +104,8 @@ public void testUseIndexForSelectiveQueries() throws IOException {
     dir.close();
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testUseIndexForSelectiveMultiValueQueries() throws IOException {
     Directory dir = newDirectory();
     IndexWriter w =

lucene/core/src/test/org/apache/lucene/search/TestRescoreTopNQuery.java

@@ -78,7 +78,9 @@ public void testInvalidN() {
                 new TermQuery(new Term("test")), DoubleValuesSource.constant(0), 0));
   }
 
+  // TODO: incredibly slow
   @Test
+  @Nightly
   public void testRescoreField() throws Exception {
     Map<Integer, float[]> vectors = new HashMap<>();
 

lucene/core/src/test/org/apache/lucene/search/TestTermInSetQuery.java

@@ -109,6 +109,8 @@ public void testAllDocsInFieldTerm() throws IOException {
     dir.close();
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testDuel() throws IOException {
     final int iters = atLeast(2);
     final String field = "f";

lucene/core/src/test/org/apache/lucene/util/hnsw/HnswGraphTestCase.java

@@ -784,6 +784,8 @@ public void testHnswGraphBuilderInvalid() throws IOException {
         IllegalArgumentException.class, () -> HnswGraphBuilder.create(scorerSupplier, 10, 0, 0));
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testRamUsageEstimate() throws IOException {
     int size = atLeast(2000);
     int dim = randomIntBetween(100, 1024);

lucene/facet/src/test/org/apache/lucene/facet/taxonomy/directory/TestAddTaxonomy.java

@@ -146,6 +146,8 @@ public void testAddToEmpty() throws Exception {
   }
 
   // A more comprehensive and big random test.
+  // TODO: TOO BIG
+  @Nightly
   public void testBig() throws Exception {
     dotest(200, 10000);
     dotest(1000, 20000);

lucene/test-framework/src/java/org/apache/lucene/tests/index/BaseKnnVectorsFormatTestCase.java

@@ -1964,7 +1964,10 @@ public void testMismatchedFields() throws Exception {
   /**
    * Test that the query is a viable approximation to exact search. This test is designed to uncover
    * gross failures only, not to represent the true expected recall.
+   *
+   * <p>TODO: this test is incredibly slow
    */
+  @Nightly
   public void testRecall() throws IOException {
     VectorSimilarityFunction[] functions = {
       VectorSimilarityFunction.EUCLIDEAN,

lucene/test-framework/src/java/org/apache/lucene/tests/index/BasePostingsFormatTestCase.java

@@ -1768,6 +1768,8 @@ public void testMismatchedFields() throws Exception {
     IOUtils.close(reader, w2, dir1, dir2);
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testDocIDRunEnd() throws Exception {
     Directory dir = newDirectory();
     for (int iter = 0; iter < 100; ++iter) {