Use jdk11 primitives in test to allow backport to branch_9x (#13311)
diff --git a/lucene/core/src/test/org/apache/lucene/search/BaseKnnVectorQueryTestCase.java b/lucene/core/src/test/org/apache/lucene/search/BaseKnnVectorQueryTestCase.java
index 2ae0ae1..2546115 100644
--- a/lucene/core/src/test/org/apache/lucene/search/BaseKnnVectorQueryTestCase.java
+++ b/lucene/core/src/test/org/apache/lucene/search/BaseKnnVectorQueryTestCase.java
@@ -781,7 +781,7 @@
TimeLimitingKnnCollectorManager noTimeoutManager =
new TimeLimitingKnnCollectorManager(delegate, null);
KnnCollector noTimeoutCollector =
- noTimeoutManager.newCollector(Integer.MAX_VALUE, searcher.leafContexts.getFirst());
+ noTimeoutManager.newCollector(Integer.MAX_VALUE, searcher.leafContexts.get(0));
// Check that a normal collector is created without timeout
assertTrue(noTimeoutCollector instanceof TopKnnCollector);
@@ -797,7 +797,7 @@
TimeLimitingKnnCollectorManager timeoutManager =
new TimeLimitingKnnCollectorManager(delegate, () -> true);
KnnCollector timeoutCollector =
- timeoutManager.newCollector(Integer.MAX_VALUE, searcher.leafContexts.getFirst());
+ timeoutManager.newCollector(Integer.MAX_VALUE, searcher.leafContexts.get(0));
// Check that a time limiting collector is created, which returns partial results
assertFalse(timeoutCollector instanceof TopKnnCollector);