test/railties/engine_test.rb:91 fails

Test railties/test/railties/engine_test.rb fails:

Failure


test_engine_is_a_rack_app_and_can_have_his_own_middleware_stack(RailtiesTest::EngineTest)
[test/railties/engine_test.rb:91:in test_engine_is_a_rack_app_and_can_have_his_own_middleware_stack'

/Users/codemanki/projects/misc/rails/activesupport/lib/active_support/testing/isolation.rb:65:in `run'
/Users/codemanki/projects/misc/rails/activesupport/lib/active_support/testing/isolation.rb:100:in `run_in_isolation'
/Users/codemanki/projects/misc/rails/activesupport/lib/active_support/testing/isolation.rb:97:in `fork'
/Users/codemanki/projects/misc/rails/activesupport/lib/active_support/testing/isolation.rb:97:in `run_in_isolation'
/Users/codemanki/projects/misc/rails/activesupport/lib/active_support/testing/isolation.rb:63:in `run']:

<["HELLO WORLD"]> expected but was
<["< html xmlns="http://www.w3.org/1999/xhtml">\n\n .... "]>

Problem

line 91: assert_equal ["HELLO WORLD"], response[2]
response[2] itself is an array.

Solution

Line 65
response[2][0].upcase!
Instead of
response[2].upcase!