fix tests

Author: rafaqz

test/http-tests.jl

@@ -7,6 +7,6 @@ using Test
     @test occursin("_webIOWebSocketURL = ", output)
     @test occursin("ws://127.0.0.1:8081/webio_websocket/", output)
     @test occursin("""hello, world""", output)
-    @test WebIO.webio_server_config[] == (url = "127.0.0.1", bundle_url = WebIO.bundle_key, http_port = 8081, ws_url = "ws://127.0.0.1:8081/webio_websocket/")
+    @test WebIO.webio_server_config[] == (url = "127.0.0.1", bundle_url = WebIO.bundle_key[], http_port = 8081, ws_url = "ws://127.0.0.1:8081/webio_websocket/")
     @test isassigned(WebIO.singleton_instance)
 end