From e9f81e23c8b4db79a49f6e4773742c253d2ae79b Mon Sep 17 00:00:00 2001
From: Simon Christ <SimonChrist@gmx.de>
Date: Tue, 20 Oct 2020 17:07:53 +0200
Subject: [PATCH] improve tests

---
 src/init.jl      | 2 +-
 test/runtests.jl | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/init.jl b/src/init.jl
index b4c62dbf..d7eea658 100644
--- a/src/init.jl
+++ b/src/init.jl
@@ -1,7 +1,7 @@
 using REPL
 using Scratch
 
-const plotly_local_file_path = Ref{String}()
+const plotly_local_file_path = Ref{Nothing, String}(nothing)
 
 
 function _plots_defaults()
diff --git a/test/runtests.jl b/test/runtests.jl
index a3fb3be4..6f7eacf3 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -11,9 +11,8 @@ import GeometryTypes, GeometryBasics
 using Dates
 using RecipesBase
 
-# NOTE: you can run this test only once
 @testset "Plotly standalone" begin
-    @test_throws UndefRefError Plots.plotly_local_file_path[]
+    @test Plots.plotly_local_file_path[] === nothing
     temp = Plots.use_local_dependencies[]
     withenv("PLOTS_HOST_DEPENDENCY_LOCAL" => true) do
         Plots.__init__()
@@ -21,6 +20,7 @@ using RecipesBase
         @test isfile(Plots.plotly_local_file_path[])
         @test Plots.use_local_dependencies[] = true
     end
+    Plots.plotly_local_file_path[] = nothing
     Plots.use_local_dependencies[] = temp
 end # testset