Improve spec compatibility with current master.to_ary-flatten

1 files changed, 2 insertions, 2 deletions

diff --git a/test/spec_response.rb b/test/spec_response.rb
index 4f3a4e4e..6958f429 100644
--- a/test/spec_response.rb
+++ b/test/spec_response.rb
@@ -467,8 +467,8 @@ describe Rack::Response do
   it "flatten doesn't cause infinite loop" do
     # https://github.com/rack/rack/issues/419
     res = Rack::Response.new("Hello World")
-    x = res.finish
-    assert_equal [200, {}, "Hello World"], x.flatten
+
+    res.finish.flatten.must_be_kind_of(Array)
   end
 end