[P12] DASTInterpreterTests>>#testInterpretItselfAddition , #testInterpretItselfInteger and #testInterpretItselfLessThan fail

[adri09070]

Error: Variable statements not defined!

[adri09070]

To me, this one is an issue of the AST implementation from Pharo in P12: pharo-project/pharo#14039