Fix flaky test, ignore order of elements in list validation

Author: ashvina

xtable-core/src/test/java/org/apache/xtable/hudi/TestBaseFileUpdatesExtractor.java

@@ -28,6 +28,7 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -135,7 +136,7 @@ void convertDiff() {
     expectedPartitionToReplacedFileIds.put(
         partitionPath1, Arrays.asList(fileName3, fileIdForFile4));
     expectedPartitionToReplacedFileIds.put(partitionPath2, Collections.singletonList(fileName5));
-    assertEquals(
+    assertEqualsIgnoreOrder(
         expectedPartitionToReplacedFileIds, replaceMetadata.getPartitionToReplacedFileIds());
 
     // validate added files
@@ -146,6 +147,16 @@ void convertDiff() {
     assertWriteStatusesEquivalent(expectedWriteStatuses, replaceMetadata.getWriteStatuses());
   }
 
+  private void assertEqualsIgnoreOrder(
+      Map<String, List<String>> expected, Map<String, List<String>> actual) {
+    for (Map.Entry<String, List<String>> entry : expected.entrySet()) {
+      List<?> expectedList = entry.getValue();
+      List<?> actualList = actual.get(entry.getKey());
+      assertEquals(expectedList.size(), actualList.size());
+      assertEquals(new HashSet<>(expectedList), new HashSet<>(actualList));
+    }
+  }
+
   @Test
   void extractSnapshotChanges_emptyTargetTable() throws IOException {
     String tableBasePath = tempDir.resolve(UUID.randomUUID().toString()).toString();