Test files completely migrated to newtests:
   analyse_demos.py
   elements.py

Test files left:
    algorithms.py
    base.py
    classcoverage.py
    conditionals.py
    derivative.py
    diff.py
    evaluate.py
    expand_indices.py
    ffcforms.py
    forms.py
    illegal.py
    indices.py
    makemanualtestcase.py
    manualtest.py
    mass.py
    mock.py
    simplify.py
    split.py
