def METHOD_NAME(fortran_reader):
    ''' Check that the transformation correctly transforms a very simple
    kernel. '''
    trans = CreateNemoKernelTrans()
    psyir = fortran_reader.psyir_from_source(BASIC_KERN_CODE)
    loop = psyir.walk(Loop)[0]
    assign = loop.loop_body[0]
    trans.apply(loop.loop_body)
    assert isinstance(loop.loop_body[0], InlinedKern)
    # Check that the body of the kernel is still the original assignment
    assert loop.loop_body[0].children[0][0] is assign