Alignment test not appropriately issuing warning for optional occurrence.

The expected warning according to the test is the following:

element.e is an optional element or a variable-occurrence array and its alignment (2) is not the same as element.one's alignment (1)

No error or warning is received.

edu.illinois.ncsa.daffodil.section12.aligned_data
under the 'new' folder: test_alignmentOptionalElem03()