Explicitly require gpx in the trace model tests

If we don't do this and no other test manages to trigger an
autoload before we run then we might try and autoload it inside
a MockFS block which will fail.

diff --git a/test/models/trace_test.rb b/test/models/trace_test.rb
index 77877287ba06f04cda9d15797fd6ee14e212f75e..42bfa6ddafaf7737c8152440ea1bc7092f3fe136 100644 (file)
--- a/test/models/trace_test.rb
+++ b/test/models/trace_test.rb
@@ -1,4 +1,5 @@
 require "test_helper"
+require "gpx"
 require "minitest/mock"
 
 class TraceTest < ActiveSupport::TestCase