fix failed cases

Author: XuQianJin-Stars

fluss-common/src/test/java/org/apache/fluss/row/TestInternalRowGenerator.java

@@ -145,7 +145,7 @@ public static IndexedRow genIndexedRowForAllType() {
 
         GenericRow innerRow = GenericRow.of(22);
         GenericRow genericRow = GenericRow.of(123, innerRow, BinaryString.fromString("Test"));
-        setRandomNull(writers[22], writer, 22, rnd, genericRow);
+        setRandomNull(writers[23], writer, 23, rnd, genericRow);
 
         IndexedRow row = new IndexedRow(dataTypes);
         row.pointTo(writer.segment(), 0, writer.position());

fluss-common/src/test/java/org/apache/fluss/row/indexed/IndexedRowReaderTest.java

@@ -122,7 +122,7 @@ private void assertAllTypeEqualsForReader(IndexedRowReader reader) {
                                 GenericArray.of(fromString("hello"), fromString("world"))));
         assertThat(reader.readMap().size()).isEqualTo(3);
         InternalRow nestedRow =
-                reader.readRow(dataTypes[22].getChildren().toArray(new DataType[0]));
+                reader.readRow(dataTypes[23].getChildren().toArray(new DataType[0]));
         GenericRow expectedInnerRow = GenericRow.of(22);
         GenericRow expectedNestedRow = GenericRow.of(123, expectedInnerRow, fromString("Test"));
         assertThatRow(nestedRow)