Fix tests

Author: MarcMil

soot-infoflow/src/soot/jimple/infoflow/collections/strategies/widening/WideningTaintPropagationHandler.java

@@ -51,7 +51,7 @@ public boolean notifyFlowOut(Unit stmt, Abstraction d1, Abstraction incoming, Se
 			Abstraction abs = it.next();
 			Abstraction widened = wideningStrategy.widen(incoming, abs, stmt);
 			if (widened != abs) {
-				outgoing.add(widened);
+				toAdd.add(widened);
 				it.remove();
 			}
 		}

soot-infoflow/test/soot/jimple/infoflow/test/junit/HeapTests.java

@@ -1309,8 +1309,8 @@ public void notifyFlowIn(Unit stmt, Abstraction taint, InfoflowManager manager,
 			}
 
 			@Override
-			public Set<Abstraction> notifyFlowOut(Unit stmt, Abstraction d1, Abstraction incoming, Set<Abstraction> outgoing, InfoflowManager manager, FlowFunctionType type) {
-				return outgoing;
+			public boolean notifyFlowOut(Unit stmt, Abstraction d1, Abstraction incoming, Set<Abstraction> outgoing, InfoflowManager manager, FlowFunctionType type) {
+				return false;
 			}
 		});
 		epoints.add("<soot.jimple.infoflow.test.HeapTestCode: void identityStmtIsNotAGoodHandoverPoint()>");