Fix print_tree test

YingboMa · YingboMa · commit 79f37a3c07c2 · 2021-04-11T00:55:36.000-04:00
diff --git a/test/print_tree.jl b/test/print_tree.jl
@@ -5,8 +5,8 @@ include("../examples/rc_model.jl")
 io = IOBuffer()
 print_tree(io, rc_model)
 ser = String(take!(io))
-str = 
-"""rc
+str =
+"""rc_model
 ├─ resistor
 │  ├─ p
 │  └─ n
