message: Remove a duplicated node in test.
diff: @@ -161,7 +161,6 @@ TEST_F(IdentifyFramesTest, MultipleEnterNodes) {
  *graph.add_node() = CreateNode("5", {});
  *graph.add_node() = CreateNode("4", "Enter", frame, {"5"});
  *graph.add_node() = CreateNode("3", {"4", "2"});
  - *graph.add_node() = CreateNode("4", {"5"});
  *graph.add_node() = CreateNode("6", "Merge", {"3", "8"});
  *graph.add_node() = CreateNode("7", "Switch", {"6"});
  *graph.add_node() = CreateNode("8", "NextIteration", {"7"});
  