From 5e7d8affeadbbb3901f9600fc907bc858c9155b5 Mon Sep 17 00:00:00 2001
From: Robert Muir <rmuir@apache.org>
Date: Thu, 6 Feb 2025 12:05:59 -0500
Subject: [PATCH] fix flaky test: removing dead states can turn the NFA into a
 DFA

Instead assert that DFA doesn't turn into an NFA, that's what we care
about.

Closes #14210
---
 .../org/apache/lucene/util/automaton/TestAutomaton.java     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lucene/core/src/test/org/apache/lucene/util/automaton/TestAutomaton.java b/lucene/core/src/test/org/apache/lucene/util/automaton/TestAutomaton.java
index e9e35416db4..11ba6bee79c 100644
--- a/lucene/core/src/test/org/apache/lucene/util/automaton/TestAutomaton.java
+++ b/lucene/core/src/test/org/apache/lucene/util/automaton/TestAutomaton.java
@@ -880,9 +880,11 @@ public void testRandomFinite() throws Exception {
               newTerms.add(newTerm.toBytesRef());
             }
             terms = newTerms;
-            boolean wasDeterministic1 = a.isDeterministic();
+            boolean wasDeterministic = a.isDeterministic();
             a = Operations.concatenate(Automata.makeString(prefix.utf8ToString()), a);
-            assertEquals(wasDeterministic1, a.isDeterministic());
+            if (wasDeterministic) {
+              assertTrue(a.isDeterministic());
+            }
           }
           break;