@Test
    public void shouldFailToConvertToListFromStringWithNonCommonElementTypeAndBlankElement() {
        assertThrows(DataException.class, () -> Values.convertToList(Schema.STRING_SCHEMA, "[1, 2, 3, \"four\",,,]"));
    }
Schema of type ARRAY requires a schema for the values, but Connect has no union or "any" schema type.
Therefore, we can't represent this.
connect/api/src/test/java/org/apache/kafka/connect/data/ValuesTest.java