diff --git a/spec/acceptance/formatter_spec.rb b/spec/acceptance/formatter_spec.rb
index c359cb44..5c3e8605 100644
--- a/spec/acceptance/formatter_spec.rb
+++ b/spec/acceptance/formatter_spec.rb
@@ -24,6 +24,8 @@
 
             GemIsolator.isolate(gems: [%w(rspec ~>3.4)]) do |env, isolation|
               env = env.merge(guard_env)
+              system(env, 'gem env')
+              system(env, 'which rspec')
               result = isolation.system(env, cmd)
               expect(result).to eq(true)
             end