// inline tester
Method tester = new Method() {
@Override
public boolean call(NodeTraversal t, Node n, Node parent) {
CanInlineResult canInline = injector.canInlineReferenceToFunction(
t, n, fnNode, unsafe, mode,
NodeUtil.referencesThis(fnNode),
NodeUtil.containsFunction(NodeUtil.getFunctionBody(fnNode)));
assertTrue("canInlineReferenceToFunction should not be CAN_NOT_INLINE",
CanInlineResult.NO != canInline);