transformed.writeDOTs( getPlanPath() + "/transform/" );
SubGraphIterator iterator = new ExpressionSubGraphIterator(
new PlannerContext(),
new TestNoGroupTapExpressionGraph(),
new TestConsecutiveTapsExpressionGraph(),
false,
flowElementGraph
);
RemoveBranchGraphTransformer removeTransformer = new RemoveBranchGraphTransformer( new TestMalformedJoinExpressionGraph() );