test: mark horribly slow tests with @nightly

Author: rmuir

lucene/core/src/test/org/apache/lucene/codecs/hnsw/TestFlatVectorScorer.java

@@ -211,6 +211,8 @@ public void testBulkScorerBytes() throws IOException {
     }
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testBulkScorerFloats() throws IOException {
     int dims = random().nextInt(1, 1024);
     int size = random().nextInt(2, 255);

lucene/core/src/test/org/apache/lucene/index/TestBagOfPostings.java

@@ -42,6 +42,8 @@
   "Direct"
 }) // at night this makes like 200k/300k docs and will make Direct's heart beat!
 public class TestBagOfPostings extends LuceneTestCase {
+  // TODO: incredibly slow (sometimes, maybe simpletext)
+  @Nightly
   public void test() throws Exception {
     List<String> postingsList = new ArrayList<>();
     int numTerms = atLeast(300);

lucene/core/src/test/org/apache/lucene/index/TestIndexWriterExceptions.java

@@ -234,6 +234,8 @@ public void apply(String name) {
     }
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testRandomExceptions() throws Throwable {
     if (VERBOSE) {
       System.out.println("\nTEST: start testRandomExceptions");

lucene/core/src/test/org/apache/lucene/index/TestManyFields.java

@@ -115,6 +115,8 @@ public void testDiverseDocs() throws IOException {
   }
 
   // LUCENE-4398
+  // TODO: incredibly slow
+  @Nightly
   public void testRotatingFieldNames() throws Exception {
     Directory dir = newFSDirectory(createTempDir("TestIndexWriter.testChangingFields"));
     IndexWriterConfig iwc = new IndexWriterConfig(new MockAnalyzer(random()));

lucene/core/src/test/org/apache/lucene/index/TestTieredMergePolicy.java

@@ -913,6 +913,8 @@ public void testMergePurelyToReclaimDeletes() throws IOException {
             MergeTrigger.EXPLICIT, infos, new MockMergeContext(SegmentCommitInfo::getDelCount)));
   }
 
+  // TODO: incredibly slow
+  @Nightly
   @Override
   public void testSimulateAppendOnly() throws IOException {
     TieredMergePolicy mergePolicy = mergePolicy();

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

@@ -822,12 +822,22 @@ public void testRandomWithZeroScores() throws IOException {
     dir.close();
   }
 
-  /** Test the case when some clauses produce infinite max scores. */
+  /**
+   * Test the case when some clauses produce infinite max scores.
+   *
+   * <p>TODO: incredibly slow
+   */
+  @Nightly
   public void testRandomWithInfiniteMaxScore() throws IOException {
     doTestRandomSpecialMaxScore(Float.POSITIVE_INFINITY);
   }
 
-  /** Test the case when some clauses produce finite max scores, but their sum overflows. */
+  /**
+   * Test the case when some clauses produce finite max scores, but their sum overflows.
+   *
+   * <p>TODO: incredibly slow
+   */
+  @Nightly
   public void testRandomWithMaxScoreOverflow() throws IOException {
     doTestRandomSpecialMaxScore(Float.MAX_VALUE);
   }

lucene/core/src/test/org/apache/lucene/util/TestPriorityQueue.java

@@ -208,6 +208,8 @@ public void testAddAllDoesNotFitIntoQueue() {
         () -> pq.addAll(list));
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testRemovalsAndInsertions() {
     Random random = random();
     int numDocsInPQ = TestUtil.nextInt(random, 1, 100);

lucene/join/src/test/org/apache/lucene/search/join/TestBlockJoin.java

@@ -1660,6 +1660,8 @@ public void testToChildInitialAdvanceParentButNoKids() throws Exception {
     dir.close();
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testMultiChildQueriesOfDiffParentLevels() throws Exception {
 
     final Directory dir = newDirectory();

lucene/join/src/test/org/apache/lucene/search/join/TestBlockJoinBulkScorer.java

@@ -315,6 +315,8 @@ private static void assertEqualsToOneOf(List<?> expectedList, Object actual) {
     }
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testScoreRandomIndices() throws IOException {
     for (int i = 0; i < 200 * RANDOM_MULTIPLIER; i++) {
       try (Directory dir = newDirectory()) {

lucene/misc/src/test/org/apache/lucene/misc/index/TestBPReorderingMergePolicy.java

@@ -57,6 +57,8 @@ public void setUp() throws Exception {
     reorderer.setMinPartitionSize(2);
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testReorderOnMerge() throws IOException {
     Directory dir1 = newDirectory();
     Directory dir2 = newDirectory();
@@ -141,6 +143,8 @@ public void testReorderOnMerge() throws IOException {
     IOUtils.close(reader1, reader2, w1, w2, dir1, dir2);
   }
 
+  // TODO: incredibly slow
+  @Nightly
   public void testReorderOnAddIndexes() throws IOException {
     Directory dir1 = newDirectory();
     IndexWriter w1 =