We cant use assert_block because its buggy in MiniTest and wont actually show you the failure message you provide -- instead you just always get a "Expected block to return true"

1 files changed, 1 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/testing/assertions/response.rb b/actionpack/lib/action_dispatch/testing/assertions/response.rb
index 8a04cfa886..e209978fb7 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/response.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/response.rb
@@ -42,7 +42,7 @@ module ActionDispatch
         elsif type.is_a?(Symbol) && @response.response_code == Rack::Utils::SYMBOL_TO_STATUS_CODE[type]
           assert_block("") { true } # to count the assertion
         else
-          assert_block(build_message(message, "Expected response to be a <?>, but was <?>", type, @response.response_code)) { false }
+          assert(false, build_message(message, "Expected response to be a <?>, but was <?>", type, @response.response_code))
         end
       end