From 87af609a6f4c16748681d25b3e339a1dd37588eb Mon Sep 17 00:00:00 2001
From: O01eg <o01eg@yandex.ru>
Date: Sat, 9 Feb 2019 12:25:02 +0300
Subject: [PATCH] Add test case for
 https://github.com/JuliaPlots/Plots.jl/issues/1904

---
 test/runtests.jl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/test/runtests.jl b/test/runtests.jl
index 1587d1bb..906c5804 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -33,7 +33,12 @@ end
     @test backend() == Plots.UnicodePlotsBackend()
 
     # lets just make sure it runs without error
-    @test isa(plot(rand(10)), Plots.Plot) == true
+    p = plot(rand(10))
+    @test isa(p, Plots.Plot) == true
+    @test isa(display(p), Nothing) == true
+    p = bar(randn(10))
+    @test isa(p, Plots.Plot) == true
+    @test isa(display(p), Nothing) == true
 end
 
 # The plotlyjs testimages return a connection error on travis: