[P11][P12] DASTInterpreterTests>>#testGetClassVariableFromMethodInInstanceSide fails only the first time it is run

[adri09070]

TestFailure: Got nil instead of 42.

DASTInterpreterTests(TestAsserter)>>assert:description:resumable:
DASTInterpreterTests(TestAsserter)>>assert:description:
DASTInterpreterTests(TestAsserter)>>assert:equals:
DASTInterpreterTests>>testGetClassVariableFromMethodInInstanceSide ...assert: (self evaluateProgram: 'DASTInterpreterClassForTests3 new getClassVariable' ) 
		  equals: 42
DASTInterpreterTests(TestCase)>>performTest