tomtongue commented on code in PR #10039:
URL: https://github.com/apache/iceberg/pull/10039#discussion_r1539799719


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core/src/test/java/org/apache/iceberg/TestMetrics.java:
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@@ -766,24 +771,38 @@ protected void assertCounts(int fieldId, Long valueCount, 
Long nullValueCount, M
 
   protected void assertCounts(
       int fieldId, Long valueCount, Long nullValueCount, Long nanValueCount, 
Metrics metrics) {
-    Map<Integer, Long> valueCounts = metrics.valueCounts();
-    Map<Integer, Long> nullValueCounts = metrics.nullValueCounts();
-    Map<Integer, Long> nanValueCounts = metrics.nanValueCounts();
-    Assert.assertEquals(valueCount, valueCounts.get(fieldId));
-    Assert.assertEquals(nullValueCount, nullValueCounts.get(fieldId));
-    Assert.assertEquals(nanValueCount, nanValueCounts.get(fieldId));
+    assertThat(metrics.valueCounts())
+        .satisfiesAnyOf(

Review Comment:
   Change this part like the previous tests. If `containsEntry` is used, it's 
also possible to write like:
   
   ```java
   assertThat(metrics.valueCounts()).satisfies(
           valueCounts -> {
             if (valueCounts.containsKey(fieldId)) 
assertThat(valueCounts).containsEntry(fieldId, valueCount);
             else assertThat(valueCounts).doesNotContainKey(fieldId);
           }
   );
   ```



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