add test

hutool-core/src/test/java/org/dromara/hutool/core/collection/Issue3308Test.java

@@ -0,0 +1,19 @@
+package org.dromara.hutool.core.collection;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Issue3308Test {
+	@Test
+	void partitionTest() {
+		final List<String> list = new ArrayList<>();
+		for (int i = 0; i < 100000; i++) {
+			list.add("Str"+i);
+		}
+		final List<List<String>> partition = ListUtil.partition(list, 1000);
+		Assertions.assertEquals(100, partition.size());
+	}
+}